automated merge

1 files changed, 429 insertions, 6815 deletions

diff --git a/indra/newview/llvoiceclient.cpp b/indra/newview/llvoiceclient.cpp
index 542ec16547..91353281a8 100644
--- a/indra/newview/llvoiceclient.cpp
+++ b/indra/newview/llvoiceclient.cpp
@@ -1,6 +1,6 @@
  /** 
  * @file llvoiceclient.cpp
- * @brief Implementation of LLVoiceClient class which is the interface to the voice client process.
+ * @brief Voice client delegation class implementation.
  *
  * $LicenseInfo:firstyear=2001&license=viewergpl$
  * 
@@ -17,8 +17,7 @@
  * There are special exceptions to the terms and conditions of the GPL as
  * it is applied to this Source Code. View the full text of the exception
  * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
  * 
  * By copying, modifying or distributing this software, you acknowledge
  * that you have read and understood your obligations described above,
@@ -32,5420 +31,311 @@
 
 #include "llviewerprecompiledheaders.h"
 #include "llvoiceclient.h"
-
-#include <boost/tokenizer.hpp>
-
-// library includes
-#include "llnotificationsutil.h"
-#include "llsdserialize.h"
-#include "llsdutil.h"
-
-
-// project includes
-#include "llvoavatar.h"
-#include "llbufferstream.h"
-#include "llfile.h"
-#ifdef LL_STANDALONE
-# include "expat.h"
-#else
-# include "expat/expat.h"
-#endif
-#include "llcallbacklist.h"
-#include "llcallingcard.h"   // for LLFriendObserver
-#include "llviewerregion.h"
-#include "llviewernetwork.h"		// for gGridChoice
-#include "llbase64.h"
 #include "llviewercontrol.h"
-#include "llkeyboard.h"
-#include "llappviewer.h"	// for gDisconnected, gDisableVoice
-#include "llmutelist.h"  // to check for muted avatars
-#include "llagent.h"
-#include "llvoavatarself.h"
-#include "llcachename.h"
-#include "llimview.h" // for LLIMMgr
-#include "llparcel.h"
-#include "llviewerparcelmgr.h"
-//#include "llfirstuse.h"
-#include "llspeakers.h"
-#include "lltrans.h"
 #include "llviewerwindow.h"
-#include "llviewercamera.h"
-#include "llvoavatarself.h"
-#include "llvoicechannel.h"
-
-// for base64 decoding
-#include "apr_base64.h"
-
-// for SHA1 hash
-#include "apr_sha1.h"
-
-// for MD5 hash
-#include "llmd5.h"
-
-#define USE_SESSION_GROUPS 0
+#include "llvoicevivox.h"
+#include "llviewernetwork.h"
+#include "llhttpnode.h"
+#include "llnotificationsutil.h"
+#include "llsdserialize.h"
+#include "llui.h"
 
-static bool sConnectingToAgni = false;
-F32 LLVoiceClient::OVERDRIVEN_POWER_LEVEL = 0.7f;
+const F32 LLVoiceClient::OVERDRIVEN_POWER_LEVEL = 0.7f;
 
 const F32 LLVoiceClient::VOLUME_MIN = 0.f;
 const F32 LLVoiceClient::VOLUME_DEFAULT = 0.5f;
 const F32 LLVoiceClient::VOLUME_MAX = 1.0f;
 
-const F32 VOLUME_SCALE_VIVOX = 0.01f;
-
-const F32 SPEAKING_TIMEOUT = 1.f;
-
-const int VOICE_MAJOR_VERSION = 1;
-const int VOICE_MINOR_VERSION = 0;
-
-LLVoiceClient *gVoiceClient = NULL;
-
-// Don't retry connecting to the daemon more frequently than this:
-const F32 CONNECT_THROTTLE_SECONDS = 1.0f;
-
-// Don't send positional updates more frequently than this:
-const F32 UPDATE_THROTTLE_SECONDS = 0.1f;
-
-const F32 LOGIN_RETRY_SECONDS = 10.0f;
-const int MAX_LOGIN_RETRIES = 12;
-
-// Defines the maximum number of times(in a row) "stateJoiningSession" case for spatial channel is reached in stateMachine()
-// which is treated as normal. If this number is exceeded we suspect there is a problem with connection
-// to voice server (EXT-4313). When voice works correctly, there is from 1 to 15 times. 50 was chosen 
-// to make sure we don't make mistake when slight connection problems happen- situation when connection to server is 
-// blocked is VERY rare and it's better to sacrifice response time in this situation for the sake of stability.
-const int MAX_NORMAL_JOINING_SPATIAL_NUM = 50;
-
-static void setUUIDFromStringHash(LLUUID &uuid, const std::string &str)
-{
-	LLMD5 md5_uuid;
-	md5_uuid.update((const unsigned char*)str.data(), str.size());
-	md5_uuid.finalize();
-	md5_uuid.raw_digest(uuid.mData);
-}
-
-static int scale_mic_volume(float volume)
-{
-	// incoming volume has the range [0.0 ... 2.0], with 1.0 as the default.
-	// Map it to Vivox levels as follows: 0.0 -> 30, 1.0 -> 50, 2.0 -> 70
-	return 30 + (int)(volume * 20.0f);
-}
-
-static int scale_speaker_volume(float volume)
-{
-	// incoming volume has the range [0.0 ... 1.0], with 0.5 as the default.
-	// Map it to Vivox levels as follows: 0.0 -> 30, 0.5 -> 50, 1.0 -> 70
-	return 30 + (int)(volume * 40.0f);
-}
-
-class LLViewerVoiceAccountProvisionResponder :
-	public LLHTTPClient::Responder
-{
-public:
-	LLViewerVoiceAccountProvisionResponder(int retries)
-	{
-		mRetries = retries;
-	}
-
-	virtual void error(U32 status, const std::string& reason)
-	{
-		if ( mRetries > 0 )
-		{
-			LL_WARNS("Voice") << "ProvisionVoiceAccountRequest returned an error, retrying.  status = " << status << ", reason = \"" << reason << "\"" << LL_ENDL;
-			if ( gVoiceClient ) gVoiceClient->requestVoiceAccountProvision(
-				mRetries - 1);
-		}
-		else
-		{
-			LL_WARNS("Voice") << "ProvisionVoiceAccountRequest returned an error, too many retries (giving up).  status = " << status << ", reason = \"" << reason << "\"" << LL_ENDL;
-			if ( gVoiceClient ) gVoiceClient->giveUp();
-		}
-	}
-
-	virtual void result(const LLSD& content)
-	{
-		if ( gVoiceClient )
-		{
-			std::string voice_sip_uri_hostname;
-			std::string voice_account_server_uri;
-			
-			LL_DEBUGS("Voice") << "ProvisionVoiceAccountRequest response:" << ll_pretty_print_sd(content) << LL_ENDL;
-			
-			if(content.has("voice_sip_uri_hostname"))
-				voice_sip_uri_hostname = content["voice_sip_uri_hostname"].asString();
-			
-			// this key is actually misnamed -- it will be an entire URI, not just a hostname.
-			if(content.has("voice_account_server_name"))
-				voice_account_server_uri = content["voice_account_server_name"].asString();
-			
-			gVoiceClient->login(
-				content["username"].asString(),
-				content["password"].asString(),
-				voice_sip_uri_hostname,
-				voice_account_server_uri);
-		}
-	}
-
-private:
-	int mRetries;
-};
-
-/** 
- * @class LLVivoxProtocolParser
- * @brief This class helps construct new LLIOPipe specializations
- * @see LLIOPipe
- *
- * THOROUGH_DESCRIPTION
- */
-class LLVivoxProtocolParser : public LLIOPipe
-{
-	LOG_CLASS(LLVivoxProtocolParser);
-public:
-	LLVivoxProtocolParser();
-	virtual ~LLVivoxProtocolParser();
-
-protected:
-	/* @name LLIOPipe virtual implementations
-	 */
-	//@{
-	/** 
-	 * @brief Process the data in buffer
-	 */
-	virtual EStatus process_impl(
-		const LLChannelDescriptors& channels,
-		buffer_ptr_t& buffer,
-		bool& eos,
-		LLSD& context,
-		LLPumpIO* pump);
-	//@}
-	
-	std::string 	mInput;
-	
-	// Expat control members
-	XML_Parser		parser;
-	int				responseDepth;
-	bool			ignoringTags;
-	bool			isEvent;
-	int				ignoreDepth;
-
-	// Members for processing responses. The values are transient and only valid within a call to processResponse().
-	bool			squelchDebugOutput;
-	int				returnCode;
-	int				statusCode;
-	std::string		statusString;
-	std::string		requestId;
-	std::string		actionString;
-	std::string		connectorHandle;
-	std::string		versionID;
-	std::string		accountHandle;
-	std::string		sessionHandle;
-	std::string		sessionGroupHandle;
-	std::string		alias;
-	std::string		applicationString;
-
-	// Members for processing events. The values are transient and only valid within a call to processResponse().
-	std::string		eventTypeString;
-	int				state;
-	std::string		uriString;
-	bool			isChannel;
-	bool			incoming;
-	bool			enabled;
-	std::string		nameString;
-	std::string		audioMediaString;
-	std::string		displayNameString;
-	std::string		deviceString;
-	int				participantType;
-	bool			isLocallyMuted;
-	bool			isModeratorMuted;
-	bool			isSpeaking;
-	int				volume;
-	F32				energy;
-	std::string		messageHeader;
-	std::string		messageBody;
-	std::string		notificationType;
-	bool			hasText;
-	bool			hasAudio;
-	bool			hasVideo;
-	bool			terminated;
-	std::string		blockMask;
-	std::string		presenceOnly;
-	std::string		autoAcceptMask;
-	std::string		autoAddAsBuddy;
-	int				numberOfAliases;
-	std::string		subscriptionHandle;
-	std::string		subscriptionType;
-		
-
-	// Members for processing text between tags
-	std::string		textBuffer;
-	bool			accumulateText;
-	
-	void			reset();
-
-	void			processResponse(std::string tag);
-
-static void XMLCALL ExpatStartTag(void *data, const char *el, const char **attr);
-static void XMLCALL ExpatEndTag(void *data, const char *el);
-static void XMLCALL ExpatCharHandler(void *data, const XML_Char *s, int len);
-
-	void			StartTag(const char *tag, const char **attr);
-	void			EndTag(const char *tag);
-	void			CharData(const char *buffer, int length);
-	
-};
-
-LLVivoxProtocolParser::LLVivoxProtocolParser()
-{
-	parser = NULL;
-	parser = XML_ParserCreate(NULL);
-	
-	reset();
-}
-
-void LLVivoxProtocolParser::reset()
-{
-	responseDepth = 0;
-	ignoringTags = false;
-	accumulateText = false;
-	energy = 0.f;
-	hasText = false;
-	hasAudio = false;
-	hasVideo = false;
-	terminated = false;
-	ignoreDepth = 0;
-	isChannel = false;
-	incoming = false;
-	enabled = false;
-	isEvent = false;
-	isLocallyMuted = false;
-	isModeratorMuted = false;
-	isSpeaking = false;
-	participantType = 0;
-	squelchDebugOutput = false;
-	returnCode = -1;
-	state = 0;
-	statusCode = 0;
-	volume = 0;
-	textBuffer.clear();
-	alias.clear();
-	numberOfAliases = 0;
-	applicationString.clear();
-}
-
-//virtual 
-LLVivoxProtocolParser::~LLVivoxProtocolParser()
-{
-	if (parser)
-		XML_ParserFree(parser);
-}
-
-// virtual
-LLIOPipe::EStatus LLVivoxProtocolParser::process_impl(
-	const LLChannelDescriptors& channels,
-	buffer_ptr_t& buffer,
-	bool& eos,
-	LLSD& context,
-	LLPumpIO* pump)
-{
-	LLBufferStream istr(channels, buffer.get());
-	std::ostringstream ostr;
-	while (istr.good())
-	{
-		char buf[1024];
-		istr.read(buf, sizeof(buf));
-		mInput.append(buf, istr.gcount());
-	}
-	
-	// Look for input delimiter(s) in the input buffer.  If one is found, send the message to the xml parser.
-	int start = 0;
-	int delim;
-	while((delim = mInput.find("\n\n\n", start)) != std::string::npos)
-	{	
-		
-		// Reset internal state of the LLVivoxProtocolParser (no effect on the expat parser)
-		reset();
-		
-		XML_ParserReset(parser, NULL);
-		XML_SetElementHandler(parser, ExpatStartTag, ExpatEndTag);
-		XML_SetCharacterDataHandler(parser, ExpatCharHandler);
-		XML_SetUserData(parser, this);	
-		XML_Parse(parser, mInput.data() + start, delim - start, false);
-		
-		// If this message isn't set to be squelched, output the raw XML received.
-		if(!squelchDebugOutput)
-		{
-			LL_DEBUGS("Voice") << "parsing: " << mInput.substr(start, delim - start) << LL_ENDL;
-		}
-		
-		start = delim + 3;
-	}
-	
-	if(start != 0)
-		mInput = mInput.substr(start);
-
-	LL_DEBUGS("VivoxProtocolParser") << "at end, mInput is: " << mInput << LL_ENDL;
-	
-	if(!gVoiceClient->mConnected)
-	{
-		// If voice has been disabled, we just want to close the socket.  This does so.
-		LL_INFOS("Voice") << "returning STATUS_STOP" << LL_ENDL;
-		return STATUS_STOP;
-	}
-	
-	return STATUS_OK;
-}
-
-void XMLCALL LLVivoxProtocolParser::ExpatStartTag(void *data, const char *el, const char **attr)
-{
-	if (data)
-	{
-		LLVivoxProtocolParser	*object = (LLVivoxProtocolParser*)data;
-		object->StartTag(el, attr);
-	}
-}
-
-// --------------------------------------------------------------------------------
-
-void XMLCALL LLVivoxProtocolParser::ExpatEndTag(void *data, const char *el)
-{
-	if (data)
-	{
-		LLVivoxProtocolParser	*object = (LLVivoxProtocolParser*)data;
-		object->EndTag(el);
-	}
-}
-
-// --------------------------------------------------------------------------------
-
-void XMLCALL LLVivoxProtocolParser::ExpatCharHandler(void *data, const XML_Char *s, int len)
-{
-	if (data)
-	{
-		LLVivoxProtocolParser	*object = (LLVivoxProtocolParser*)data;
-		object->CharData(s, len);
-	}
-}
-
-// --------------------------------------------------------------------------------
-
-
-void LLVivoxProtocolParser::StartTag(const char *tag, const char **attr)
-{
-	// Reset the text accumulator. We shouldn't have strings that are inturrupted by new tags
-	textBuffer.clear();
-	// only accumulate text if we're not ignoring tags.
-	accumulateText = !ignoringTags;
-	
-	if (responseDepth == 0)
-	{	
-		isEvent = !stricmp("Event", tag);
-		
-		if (!stricmp("Response", tag) || isEvent)
-		{
-			// Grab the attributes
-			while (*attr)
-			{
-				const char	*key = *attr++;
-				const char	*value = *attr++;
-				
-				if (!stricmp("requestId", key))
-				{
-					requestId = value;
-				}
-				else if (!stricmp("action", key))
-				{
-					actionString = value;
-				}
-				else if (!stricmp("type", key))
-				{
-					eventTypeString = value;
-				}
-			}
-		}
-		LL_DEBUGS("VivoxProtocolParser") << tag << " (" << responseDepth << ")"  << LL_ENDL;
-	}
-	else
-	{
-		if (ignoringTags)
-		{
-			LL_DEBUGS("VivoxProtocolParser") << "ignoring tag " << tag << " (depth = " << responseDepth << ")" << LL_ENDL;
-		}
-		else
-		{
-			LL_DEBUGS("VivoxProtocolParser") << tag << " (" << responseDepth << ")"  << LL_ENDL;
-	
-			// Ignore the InputXml stuff so we don't get confused
-			if (!stricmp("InputXml", tag))
-			{
-				ignoringTags = true;
-				ignoreDepth = responseDepth;
-				accumulateText = false;
-
-				LL_DEBUGS("VivoxProtocolParser") << "starting ignore, ignoreDepth is " << ignoreDepth << LL_ENDL;
-			}
-			else if (!stricmp("CaptureDevices", tag))
-			{
-				gVoiceClient->clearCaptureDevices();
-			}
-			else if (!stricmp("RenderDevices", tag))
-			{
-				gVoiceClient->clearRenderDevices();
-			}
-			else if (!stricmp("CaptureDevice", tag))
-			{
-				deviceString.clear();
-			}
-			else if (!stricmp("RenderDevice", tag))
-			{
-				deviceString.clear();
-			}
-			else if (!stricmp("Buddies", tag))
-			{
-				gVoiceClient->deleteAllBuddies();
-			}
-			else if (!stricmp("BlockRules", tag))
-			{
-				gVoiceClient->deleteAllBlockRules();
-			}
-			else if (!stricmp("AutoAcceptRules", tag))
-			{
-				gVoiceClient->deleteAllAutoAcceptRules();
-			}
-			
-		}
-	}
-	responseDepth++;
-}
-
-// --------------------------------------------------------------------------------
-
-void LLVivoxProtocolParser::EndTag(const char *tag)
-{
-	const std::string& string = textBuffer;
-
-	responseDepth--;
-
-	if (ignoringTags)
-	{
-		if (ignoreDepth == responseDepth)
-		{
-			LL_DEBUGS("VivoxProtocolParser") << "end of ignore" << LL_ENDL;
-			ignoringTags = false;
-		}
-		else
-		{
-			LL_DEBUGS("VivoxProtocolParser") << "ignoring tag " << tag << " (depth = " << responseDepth << ")" << LL_ENDL;
-		}
-	}
-	
-	if (!ignoringTags)
-	{
-		LL_DEBUGS("VivoxProtocolParser") << "processing tag " << tag << " (depth = " << responseDepth << ")" << LL_ENDL;
-
-		// Closing a tag. Finalize the text we've accumulated and reset
-		if (!stricmp("ReturnCode", tag))
-			returnCode = strtol(string.c_str(), NULL, 10);
-		else if (!stricmp("SessionHandle", tag))
-			sessionHandle = string;
-		else if (!stricmp("SessionGroupHandle", tag))
-			sessionGroupHandle = string;
-		else if (!stricmp("StatusCode", tag))
-			statusCode = strtol(string.c_str(), NULL, 10);
-		else if (!stricmp("StatusString", tag))
-			statusString = string;
-		else if (!stricmp("ParticipantURI", tag))
-			uriString = string;
-		else if (!stricmp("Volume", tag))
-			volume = strtol(string.c_str(), NULL, 10);
-		else if (!stricmp("Energy", tag))
-			energy = (F32)strtod(string.c_str(), NULL);
-		else if (!stricmp("IsModeratorMuted", tag))
-			isModeratorMuted = !stricmp(string.c_str(), "true");
-		else if (!stricmp("IsSpeaking", tag))
-			isSpeaking = !stricmp(string.c_str(), "true");
-		else if (!stricmp("Alias", tag))
-			alias = string;
-		else if (!stricmp("NumberOfAliases", tag))
-			numberOfAliases = strtol(string.c_str(), NULL, 10);
-		else if (!stricmp("Application", tag))
-			applicationString = string;
-		else if (!stricmp("ConnectorHandle", tag))
-			connectorHandle = string;
-		else if (!stricmp("VersionID", tag))
-			versionID = string;
-		else if (!stricmp("AccountHandle", tag))
-			accountHandle = string;
-		else if (!stricmp("State", tag))
-			state = strtol(string.c_str(), NULL, 10);
-		else if (!stricmp("URI", tag))
-			uriString = string;
-		else if (!stricmp("IsChannel", tag))
-			isChannel = !stricmp(string.c_str(), "true");
-		else if (!stricmp("Incoming", tag))
-			incoming = !stricmp(string.c_str(), "true");
-		else if (!stricmp("Enabled", tag))
-			enabled = !stricmp(string.c_str(), "true");
-		else if (!stricmp("Name", tag))
-			nameString = string;
-		else if (!stricmp("AudioMedia", tag))
-			audioMediaString = string;
-		else if (!stricmp("ChannelName", tag))
-			nameString = string;
-		else if (!stricmp("DisplayName", tag))
-			displayNameString = string;
-		else if (!stricmp("Device", tag))
-			deviceString = string;
-		else if (!stricmp("AccountName", tag))
-			nameString = string;
-		else if (!stricmp("ParticipantType", tag))
-			participantType = strtol(string.c_str(), NULL, 10);
-		else if (!stricmp("IsLocallyMuted", tag))
-			isLocallyMuted = !stricmp(string.c_str(), "true");
-		else if (!stricmp("MicEnergy", tag))
-			energy = (F32)strtod(string.c_str(), NULL);
-		else if (!stricmp("ChannelName", tag))
-			nameString = string;
-		else if (!stricmp("ChannelURI", tag))
-			uriString = string;
-		else if (!stricmp("BuddyURI", tag))
-			uriString = string;
-		else if (!stricmp("Presence", tag))
-			statusString = string;
-		else if (!stricmp("CaptureDevice", tag))
-		{
-			gVoiceClient->addCaptureDevice(deviceString);
-		}
-		else if (!stricmp("RenderDevice", tag))
-		{
-			gVoiceClient->addRenderDevice(deviceString);
-		}
-		else if (!stricmp("Buddy", tag))
-		{
-			gVoiceClient->processBuddyListEntry(uriString, displayNameString);
-		}
-		else if (!stricmp("BlockRule", tag))
-		{
-			gVoiceClient->addBlockRule(blockMask, presenceOnly);
-		}
-		else if (!stricmp("BlockMask", tag))
-			blockMask = string;
-		else if (!stricmp("PresenceOnly", tag))
-			presenceOnly = string;
-		else if (!stricmp("AutoAcceptRule", tag))
-		{
-			gVoiceClient->addAutoAcceptRule(autoAcceptMask, autoAddAsBuddy);
-		}
-		else if (!stricmp("AutoAcceptMask", tag))
-			autoAcceptMask = string;
-		else if (!stricmp("AutoAddAsBuddy", tag))
-			autoAddAsBuddy = string;
-		else if (!stricmp("MessageHeader", tag))
-			messageHeader = string;
-		else if (!stricmp("MessageBody", tag))
-			messageBody = string;
-		else if (!stricmp("NotificationType", tag))
-			notificationType = string;
-		else if (!stricmp("HasText", tag))
-			hasText = !stricmp(string.c_str(), "true");
-		else if (!stricmp("HasAudio", tag))
-			hasAudio = !stricmp(string.c_str(), "true");
-		else if (!stricmp("HasVideo", tag))
-			hasVideo = !stricmp(string.c_str(), "true");
-		else if (!stricmp("Terminated", tag))
-			terminated = !stricmp(string.c_str(), "true");
-		else if (!stricmp("SubscriptionHandle", tag))
-			subscriptionHandle = string;
-		else if (!stricmp("SubscriptionType", tag))
-			subscriptionType = string;
-		
-		textBuffer.clear();
-		accumulateText= false;
-		
-		if (responseDepth == 0)
-		{
-			// We finished all of the XML, process the data
-			processResponse(tag);
-		}
-	}
-}
-
-// --------------------------------------------------------------------------------
-
-void LLVivoxProtocolParser::CharData(const char *buffer, int length)
-{
-	/*
-		This method is called for anything that isn't a tag, which can be text you
-		want that lies between tags, and a lot of stuff you don't want like file formatting
-		(tabs, spaces, CR/LF, etc).
-		
-		Only copy text if we are in accumulate mode...
-	*/
-	if (accumulateText)
-		textBuffer.append(buffer, length);
-}
-
-// --------------------------------------------------------------------------------
-
-void LLVivoxProtocolParser::processResponse(std::string tag)
-{
-	LL_DEBUGS("VivoxProtocolParser") << tag << LL_ENDL;
-
-	// SLIM SDK: the SDK now returns a statusCode of "200" (OK) for success.  This is a change vs. previous SDKs.
-	// According to Mike S., "The actual API convention is that responses with return codes of 0 are successful, regardless of the status code returned",
-	// so I believe this will give correct behavior.
-	
-	if(returnCode == 0)
-		statusCode = 0;
-		
-	if (isEvent)
-	{
-		const char *eventTypeCstr = eventTypeString.c_str();
-		if (!stricmp(eventTypeCstr, "AccountLoginStateChangeEvent"))
-		{
-			gVoiceClient->accountLoginStateChangeEvent(accountHandle, statusCode, statusString, state);
-		}
-		else if (!stricmp(eventTypeCstr, "SessionAddedEvent"))
-		{
-			/*
-			<Event type="SessionAddedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg0</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==0</SessionHandle>
-				<Uri>sip:confctl-1408789@bhr.vivox.com</Uri>
-				<IsChannel>true</IsChannel>
-				<Incoming>false</Incoming>
-				<ChannelName />
-			</Event>
-			*/
-			gVoiceClient->sessionAddedEvent(uriString, alias, sessionHandle, sessionGroupHandle, isChannel, incoming, nameString, applicationString);
-		}
-		else if (!stricmp(eventTypeCstr, "SessionRemovedEvent"))
-		{
-			gVoiceClient->sessionRemovedEvent(sessionHandle, sessionGroupHandle);
-		}
-		else if (!stricmp(eventTypeCstr, "SessionGroupAddedEvent"))
-		{
-			gVoiceClient->sessionGroupAddedEvent(sessionGroupHandle);
-		}
-		else if (!stricmp(eventTypeCstr, "MediaStreamUpdatedEvent"))
-		{
-			/*
-			<Event type="MediaStreamUpdatedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg0</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==0</SessionHandle>
-				<StatusCode>200</StatusCode>
-				<StatusString>OK</StatusString>
-				<State>2</State>
-				<Incoming>false</Incoming>
-			</Event>
-			*/
-			gVoiceClient->mediaStreamUpdatedEvent(sessionHandle, sessionGroupHandle, statusCode, statusString, state, incoming);
-		}		
-		else if (!stricmp(eventTypeCstr, "TextStreamUpdatedEvent"))
-		{
-			/*
-			<Event type="TextStreamUpdatedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg1</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==1</SessionHandle>
-				<Enabled>true</Enabled>
-				<State>1</State>
-				<Incoming>true</Incoming>
-			</Event>
-			*/
-			gVoiceClient->textStreamUpdatedEvent(sessionHandle, sessionGroupHandle, enabled, state, incoming);
-		}
-		else if (!stricmp(eventTypeCstr, "ParticipantAddedEvent"))
-		{
-			/* 
-			<Event type="ParticipantAddedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg4</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==4</SessionHandle>
-				<ParticipantUri>sip:xI5auBZ60SJWIk606-1JGRQ==@bhr.vivox.com</ParticipantUri>
-				<AccountName>xI5auBZ60SJWIk606-1JGRQ==</AccountName>
-				<DisplayName />
-				<ParticipantType>0</ParticipantType>
-			</Event>
-			*/
-			gVoiceClient->participantAddedEvent(sessionHandle, sessionGroupHandle, uriString, alias, nameString, displayNameString, participantType);
-		}
-		else if (!stricmp(eventTypeCstr, "ParticipantRemovedEvent"))
-		{
-			/*
-			<Event type="ParticipantRemovedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg4</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==4</SessionHandle>
-				<ParticipantUri>sip:xtx7YNV-3SGiG7rA1fo5Ndw==@bhr.vivox.com</ParticipantUri>
-				<AccountName>xtx7YNV-3SGiG7rA1fo5Ndw==</AccountName>
-			</Event>
-			*/
-			gVoiceClient->participantRemovedEvent(sessionHandle, sessionGroupHandle, uriString, alias, nameString);
-		}
-		else if (!stricmp(eventTypeCstr, "ParticipantUpdatedEvent"))
-		{
-			/*
-			<Event type="ParticipantUpdatedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg0</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==0</SessionHandle>
-				<ParticipantUri>sip:xFnPP04IpREWNkuw1cOXlhw==@bhr.vivox.com</ParticipantUri>
-				<IsModeratorMuted>false</IsModeratorMuted>
-				<IsSpeaking>true</IsSpeaking>
-				<Volume>44</Volume>
-				<Energy>0.0879437</Energy>
-			</Event>
-			*/
-			
-			// These happen so often that logging them is pretty useless.
-			squelchDebugOutput = true;
-			
-			gVoiceClient->participantUpdatedEvent(sessionHandle, sessionGroupHandle, uriString, alias, isModeratorMuted, isSpeaking, volume, energy);
-		}
-		else if (!stricmp(eventTypeCstr, "AuxAudioPropertiesEvent"))
-		{
-			gVoiceClient->auxAudioPropertiesEvent(energy);
-		}
-		else if (!stricmp(eventTypeCstr, "BuddyPresenceEvent"))
-		{
-			gVoiceClient->buddyPresenceEvent(uriString, alias, statusString, applicationString);
-		}
-		else if (!stricmp(eventTypeCstr, "BuddyAndGroupListChangedEvent"))
-		{
-			// The buddy list was updated during parsing.
-			// Need to recheck against the friends list.
-			gVoiceClient->buddyListChanged();
-		}
-		else if (!stricmp(eventTypeCstr, "BuddyChangedEvent"))
-		{
-			/*
-			<Event type="BuddyChangedEvent">
-				<AccountHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==</AccountHandle>
-				<BuddyURI>sip:x9fFHFZjOTN6OESF1DUPrZQ==@bhr.vivox.com</BuddyURI>
-				<DisplayName>Monroe Tester</DisplayName>
-				<BuddyData />
-				<GroupID>0</GroupID>
-				<ChangeType>Set</ChangeType>
-			</Event>
-			*/		
-			// TODO: Question: Do we need to process this at all?
-		}
-		else if (!stricmp(eventTypeCstr, "MessageEvent"))  
-		{
-			gVoiceClient->messageEvent(sessionHandle, uriString, alias, messageHeader, messageBody, applicationString);
-		}
-		else if (!stricmp(eventTypeCstr, "SessionNotificationEvent"))  
-		{
-			gVoiceClient->sessionNotificationEvent(sessionHandle, uriString, notificationType);
-		}
-		else if (!stricmp(eventTypeCstr, "SubscriptionEvent"))  
-		{
-			gVoiceClient->subscriptionEvent(uriString, subscriptionHandle, alias, displayNameString, applicationString, subscriptionType);
-		}
-		else if (!stricmp(eventTypeCstr, "SessionUpdatedEvent"))  
-		{
-			/*
-			<Event type="SessionUpdatedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg0</SessionGroupHandle>
-				<SessionHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==0</SessionHandle>
-				<Uri>sip:confctl-9@bhd.vivox.com</Uri>
-				<IsMuted>0</IsMuted>
-				<Volume>50</Volume>
-				<TransmitEnabled>1</TransmitEnabled>
-				<IsFocused>0</IsFocused>
-				<SpeakerPosition><Position><X>0</X><Y>0</Y><Z>0</Z></Position></SpeakerPosition>
-				<SessionFontID>0</SessionFontID>
-			</Event>
-			*/
-			// We don't need to process this, but we also shouldn't warn on it, since that confuses people.
-		}
-		
-		else if (!stricmp(eventTypeCstr, "SessionGroupRemovedEvent"))  
-		{
-			/*
-			<Event type="SessionGroupRemovedEvent">
-				<SessionGroupHandle>c1_m1000xFnPP04IpREWNkuw1cOXlhw==_sg0</SessionGroupHandle>
-			</Event>
-			*/
-			// We don't need to process this, but we also shouldn't warn on it, since that confuses people.
-		}
-		else
-		{
-			LL_WARNS("VivoxProtocolParser") << "Unknown event type " << eventTypeString << LL_ENDL;
-		}
-	}
-	else
-	{
-		const char *actionCstr = actionString.c_str();
-		if (!stricmp(actionCstr, "Connector.Create.1"))
-		{
-			gVoiceClient->connectorCreateResponse(statusCode, statusString, connectorHandle, versionID);
-		}
-		else if (!stricmp(actionCstr, "Account.Login.1"))
-		{
-			gVoiceClient->loginResponse(statusCode, statusString, accountHandle, numberOfAliases);
-		}
-		else if (!stricmp(actionCstr, "Session.Create.1"))
-		{
-			gVoiceClient->sessionCreateResponse(requestId, statusCode, statusString, sessionHandle);			
-		}
-		else if (!stricmp(actionCstr, "SessionGroup.AddSession.1"))
-		{
-			gVoiceClient->sessionGroupAddSessionResponse(requestId, statusCode, statusString, sessionHandle);			
-		}
-		else if (!stricmp(actionCstr, "Session.Connect.1"))
-		{
-			gVoiceClient->sessionConnectResponse(requestId, statusCode, statusString);			
-		}
-		else if (!stricmp(actionCstr, "Account.Logout.1"))
-		{
-			gVoiceClient->logoutResponse(statusCode, statusString);			
-		}
-		else if (!stricmp(actionCstr, "Connector.InitiateShutdown.1"))
-		{
-			gVoiceClient->connectorShutdownResponse(statusCode, statusString);			
-		}
-		else if (!stricmp(actionCstr, "Account.ListBlockRules.1"))
-		{
-			gVoiceClient->accountListBlockRulesResponse(statusCode, statusString);						
-		}
-		else if (!stricmp(actionCstr, "Account.ListAutoAcceptRules.1"))
-		{
-			gVoiceClient->accountListAutoAcceptRulesResponse(statusCode, statusString);						
-		}
-		else if (!stricmp(actionCstr, "Session.Set3DPosition.1"))
-		{
-			// We don't need to process these, but they're so spammy we don't want to log them.
-			squelchDebugOutput = true;
-		}
-/*
-		else if (!stricmp(actionCstr, "Account.ChannelGetList.1"))
-		{
-			gVoiceClient->channelGetListResponse(statusCode, statusString);
-		}
-		else if (!stricmp(actionCstr, "Connector.AccountCreate.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Connector.MuteLocalMic.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Connector.MuteLocalSpeaker.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Connector.SetLocalMicVolume.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Connector.SetLocalSpeakerVolume.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Session.ListenerSetPosition.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Session.SpeakerSetPosition.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Session.AudioSourceSetPosition.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Session.GetChannelParticipants.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelCreate.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelUpdate.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelDelete.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelCreateAndInvite.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelFolderCreate.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelFolderUpdate.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelFolderDelete.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelAddModerator.1"))
-		{
-			
-		}
-		else if (!stricmp(actionCstr, "Account.ChannelDeleteModerator.1"))
-		{
-			
-		}
-*/
-	}
-}
-
-///////////////////////////////////////////////////////////////////////////////////////////////
-
-class LLVoiceClientMuteListObserver : public LLMuteListObserver
-{
-	/* virtual */ void onChange()  { gVoiceClient->muteListChanged();}
-};
-
-class LLVoiceClientFriendsObserver : public LLFriendObserver
-{
-public:
-	/* virtual */ void changed(U32 mask) { gVoiceClient->updateFriends(mask);}
-};
-
-static LLVoiceClientMuteListObserver mutelist_listener;
-static bool sMuteListListener_listening = false;
-
-static LLVoiceClientFriendsObserver *friendslist_listener = NULL;
-
-///////////////////////////////////////////////////////////////////////////////////////////////
-
-class LLVoiceClientCapResponder : public LLHTTPClient::Responder
-{
-public:
-	LLVoiceClientCapResponder(void){};
-
-	virtual void error(U32 status, const std::string& reason);	// called with bad status codes
-	virtual void result(const LLSD& content);
-
-private:
-};
-
-void LLVoiceClientCapResponder::error(U32 status, const std::string& reason)
-{
-	LL_WARNS("Voice") << "LLVoiceClientCapResponder::error("
-		<< status << ": " << reason << ")"
-		<< LL_ENDL;
-}
-
-void LLVoiceClientCapResponder::result(const LLSD& content)
-{
-	LLSD::map_const_iterator iter;
-	
-	LL_DEBUGS("Voice") << "ParcelVoiceInfoRequest response:" << ll_pretty_print_sd(content) << LL_ENDL;
-
-	if ( content.has("voice_credentials") )
-	{
-		LLSD voice_credentials = content["voice_credentials"];
-		std::string uri;
-		std::string credentials;
-
-		if ( voice_credentials.has("channel_uri") )
-		{
-			uri = voice_credentials["channel_uri"].asString();
-		}
-		if ( voice_credentials.has("channel_credentials") )
-		{
-			credentials =
-				voice_credentials["channel_credentials"].asString();
-		}
-
-		gVoiceClient->setSpatialChannel(uri, credentials);
-	}
-}
-
-
-
-#if LL_WINDOWS
-static HANDLE sGatewayHandle = 0;
-
-static bool isGatewayRunning()
-{
-	bool result = false;
-	if(sGatewayHandle != 0)		
-	{
-		DWORD waitresult = WaitForSingleObject(sGatewayHandle, 0);
-		if(waitresult != WAIT_OBJECT_0)
-		{
-			result = true;
-		}			
-	}
-	return result;
-}
-static void killGateway()
-{
-	if(sGatewayHandle != 0)
-	{
-		TerminateProcess(sGatewayHandle,0);
-	}
-}
-
-#else // Mac and linux
-
-static pid_t sGatewayPID = 0;
-static bool isGatewayRunning()
-{
-	bool result = false;
-	if(sGatewayPID != 0)
-	{
-		// A kill with signal number 0 has no effect, just does error checking.  It should return an error if the process no longer exists.
-		if(kill(sGatewayPID, 0) == 0)
-		{
-			result = true;
-		}
-	}
-	return result;
-}
-
-static void killGateway()
-{
-	if(sGatewayPID != 0)
-	{
-		kill(sGatewayPID, SIGTERM);
-	}
-}
-
-#endif
-
-class LLSpeakerVolumeStorage : public LLSingleton<LLSpeakerVolumeStorage>
-{
-	LOG_CLASS(LLSpeakerVolumeStorage);
-public:
-
-	/**
-	 * Stores volume level for specified user.
-	 *
-	 * @param[in] speaker_id - LLUUID of user to store volume level for.
-	 * @param[in] volume - volume level to be stored for user.
-	 */
-	void storeSpeakerVolume(const LLUUID& speaker_id, F32 volume);
-
-	/**
-	 * Gets stored volume level for specified speaker
-	 *
-	 * @param[in] speaker_id - LLUUID of user to retrieve volume level for.
-	 * @param[out] volume - set to stored volume if found, otherwise unmodified.
-	 * @return - true if a stored volume is found.
-	 */
-	bool getSpeakerVolume(const LLUUID& speaker_id, F32& volume);
-
-	/**
-	 * Removes stored volume level for specified user.
-	 *
-	 * @param[in] speaker_id - LLUUID of user to remove.
-	 */
-	void removeSpeakerVolume(const LLUUID& speaker_id);
-
-private:
-	friend class LLSingleton<LLSpeakerVolumeStorage>;
-	LLSpeakerVolumeStorage();
-	~LLSpeakerVolumeStorage();
-
-	const static std::string SETTINGS_FILE_NAME;
-
-	void load();
-	void save();
-
-	static F32 transformFromLegacyVolume(F32 volume_in);
-	static F32 transformToLegacyVolume(F32 volume_in);
-
-	typedef std::map<LLUUID, F32> speaker_data_map_t;
-	speaker_data_map_t mSpeakersData;
-};
-
-const std::string LLSpeakerVolumeStorage::SETTINGS_FILE_NAME = "volume_settings.xml";
-
-LLSpeakerVolumeStorage::LLSpeakerVolumeStorage()
-{
-	load();
-}
-
-LLSpeakerVolumeStorage::~LLSpeakerVolumeStorage()
-{
-	save();
-}
-
-void LLSpeakerVolumeStorage::storeSpeakerVolume(const LLUUID& speaker_id, F32 volume)
-{
-	if ((volume >= LLVoiceClient::VOLUME_MIN) && (volume <= LLVoiceClient::VOLUME_MAX))
-	{
-		mSpeakersData[speaker_id] = volume;
-
-		// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
-		// LL_DEBUGS("Voice") << "Stored volume = " << volume <<  " for " << id << LL_ENDL;
-	}
-	else
-	{
-		LL_WARNS("Voice") << "Attempted to store out of range volume " << volume << " for " << speaker_id << LL_ENDL;
-		llassert(0);
-	}
-}
-
-bool LLSpeakerVolumeStorage::getSpeakerVolume(const LLUUID& speaker_id, F32& volume)
-{
-	speaker_data_map_t::const_iterator it = mSpeakersData.find(speaker_id);
-	
-	if (it != mSpeakersData.end())
-	{
-		volume = it->second;
-
-		// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
-		// LL_DEBUGS("Voice") << "Retrieved stored volume = " << volume <<  " for " << id << LL_ENDL;
-
-		return true;
-	}
-
-	return false;
-}
-
-void LLSpeakerVolumeStorage::removeSpeakerVolume(const LLUUID& speaker_id)
-{
-	mSpeakersData.erase(speaker_id);
-
-	// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
-	// LL_DEBUGS("Voice") << "Removing stored volume for  " << id << LL_ENDL;
-}
-
-/* static */ F32 LLSpeakerVolumeStorage::transformFromLegacyVolume(F32 volume_in)
-{
-	// Convert to linear-logarithmic [0.0..1.0] with 0.5 = 0dB
-	// from legacy characteristic composed of two square-curves
-	// that intersect at volume_in = 0.5, volume_out = 0.56
-
-	F32 volume_out = 0.f;
-	volume_in = llclamp(volume_in, 0.f, 1.0f);
-
-	if (volume_in <= 0.5f)
-	{
-		volume_out = volume_in * volume_in * 4.f * 0.56f;
-	}
-	else
-	{
-		volume_out = (1.f - 0.56f) * (4.f * volume_in * volume_in - 1.f) / 3.f + 0.56f;
-	}
-
-	return volume_out;
-}
-
-/* static */ F32 LLSpeakerVolumeStorage::transformToLegacyVolume(F32 volume_in)
-{
-	// Convert from linear-logarithmic [0.0..1.0] with 0.5 = 0dB
-	// to legacy characteristic composed of two square-curves
-	// that intersect at volume_in = 0.56, volume_out = 0.5
-
-	F32 volume_out = 0.f;
-	volume_in = llclamp(volume_in, 0.f, 1.0f);
-
-	if (volume_in <= 0.56f)
-	{
-		volume_out = sqrt(volume_in / (4.f * 0.56f));
-	}
-	else
-	{
-		volume_out = sqrt((3.f * (volume_in - 0.56f) / (1.f - 0.56f) + 1.f) / 4.f);
-	}
-
-	return volume_out;
-}
-
-void LLSpeakerVolumeStorage::load()
-{
-	// load per-resident voice volume information
-	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SETTINGS_FILE_NAME);
-
-	LL_INFOS("Voice") << "Loading stored speaker volumes from: " << filename << LL_ENDL;
-
-	LLSD settings_llsd;
-	llifstream file;
-	file.open(filename);
-	if (file.is_open())
-	{
-		LLSDSerialize::fromXML(settings_llsd, file);
-	}
-
-	for (LLSD::map_const_iterator iter = settings_llsd.beginMap();
-		iter != settings_llsd.endMap(); ++iter)
-	{
-		// Maintain compatibility with 1.23 non-linear saved volume levels
-		F32 volume = transformFromLegacyVolume((F32)iter->second.asReal());
-
-		storeSpeakerVolume(LLUUID(iter->first), volume);
-	}
-}
-
-void LLSpeakerVolumeStorage::save()
-{
-	// If we quit from the login screen we will not have an SL account
-	// name.  Don't try to save, otherwise we'll dump a file in
-	// C:\Program Files\SecondLife\ or similar. JC
-	std::string user_dir = gDirUtilp->getLindenUserDir();
-	if (!user_dir.empty())
-	{
-		std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SETTINGS_FILE_NAME);
-		LLSD settings_llsd;
-
-		LL_INFOS("Voice") << "Saving stored speaker volumes to: " << filename << LL_ENDL;
-
-		for(speaker_data_map_t::const_iterator iter = mSpeakersData.begin(); iter != mSpeakersData.end(); ++iter)
-		{
-			// Maintain compatibility with 1.23 non-linear saved volume levels
-			F32 volume = transformToLegacyVolume(iter->second);
-
-			settings_llsd[iter->first.asString()] = volume;
-		}
-
-		llofstream file;
-		file.open(filename);
-		LLSDSerialize::toPrettyXML(settings_llsd, file);
-	}
-}
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////
-
-LLVoiceClient::LLVoiceClient() :
-	mState(stateDisabled),
-	mSessionTerminateRequested(false),
-	mRelogRequested(false),
-	mConnected(false),
-	mPump(NULL),
-	mSpatialJoiningNum(0),
-	
-	mTuningMode(false),
-	mTuningEnergy(0.0f),
-	mTuningMicVolume(0),
-	mTuningMicVolumeDirty(true),
-	mTuningSpeakerVolume(0),
-	mTuningSpeakerVolumeDirty(true),
-	mTuningExitState(stateDisabled),
-	
-	mAreaVoiceDisabled(false),
-	mAudioSession(NULL),
-	mAudioSessionChanged(false),
-	mNextAudioSession(NULL),
-	
-	mCurrentParcelLocalID(0),
-	mNumberOfAliases(0),
-	mCommandCookie(0),
-	mLoginRetryCount(0),
-	
-	mBuddyListMapPopulated(false),
-	mBlockRulesListReceived(false),
-	mAutoAcceptRulesListReceived(false),
-	mCaptureDeviceDirty(false),
-	mRenderDeviceDirty(false),
-	mSpatialCoordsDirty(false),
-
-	mPTTDirty(true),
-	mPTT(true),
-	mUsePTT(true),
-	mPTTIsMiddleMouse(false),
-	mPTTKey(0),
-	mPTTIsToggle(false),
-	mUserPTTState(false),
-	mMuteMic(false),
-	mFriendsListDirty(true),
-	
-	mEarLocation(0),
-	mSpeakerVolumeDirty(true),
-	mSpeakerMuteDirty(true),
-	mMicVolume(0),
-	mMicVolumeDirty(true),
-	
-	mVoiceEnabled(false),
-	mWriteInProgress(false),
-	
-	mLipSyncEnabled(false)
-{	
-	gVoiceClient = this;
-	
-	mAPIVersion = LLTrans::getString("NotConnected");
-
-	mSpeakerVolume = scale_speaker_volume(0);
-	
-#if LL_DARWIN || LL_LINUX || LL_SOLARIS
-		// HACK: THIS DOES NOT BELONG HERE
-		// When the vivox daemon dies, the next write attempt on our socket generates a SIGPIPE, which kills us.
-		// This should cause us to ignore SIGPIPE and handle the error through proper channels.
-		// This should really be set up elsewhere.  Where should it go?
-		signal(SIGPIPE, SIG_IGN);
-		
-		// Since we're now launching the gateway with fork/exec instead of system(), we need to deal with zombie processes.
-		// Ignoring SIGCHLD should prevent zombies from being created.  Alternately, we could use wait(), but I'd rather not do that.
-		signal(SIGCHLD, SIG_IGN);
-#endif
-
-	// set up state machine
-	setState(stateDisabled);
-	
-	gIdleCallbacks.addFunction(idle, this);
-}
-
-//---------------------------------------------------
-
-LLVoiceClient::~LLVoiceClient()
-{
-}
-
-//----------------------------------------------
-
-void LLVoiceClient::init(LLPumpIO *pump)
-{
-	// constructor will set up gVoiceClient
-	LLVoiceClient::getInstance()->mPump = pump;
-	LLVoiceClient::getInstance()->updateSettings();
-}
-
-void LLVoiceClient::terminate()
-{
-	if(gVoiceClient)
-	{
-//		gVoiceClient->leaveAudioSession();
-		gVoiceClient->logout();
-		// As of SDK version 4885, this should no longer be necessary.  It will linger after the socket close if it needs to.
-		// ms_sleep(2000);
-		gVoiceClient->connectorShutdown();
-		gVoiceClient->closeSocket();		// Need to do this now -- bad things happen if the destructor does it later.
-		
-		// This will do unpleasant things on windows.
-//		killGateway();
-		
-		// Don't do this anymore -- LLSingleton will take care of deleting the object.		
-//		delete gVoiceClient;
-		
-		// Hint to other code not to access the voice client anymore.
-		gVoiceClient = NULL;
-	}
-}
-
-//---------------------------------------------------
-
-void LLVoiceClient::updateSettings()
-{
-	setVoiceEnabled(gSavedSettings.getBOOL("EnableVoiceChat"));
-	setUsePTT(gSavedSettings.getBOOL("PTTCurrentlyEnabled"));
-	std::string keyString = gSavedSettings.getString("PushToTalkButton");
-	setPTTKey(keyString);
-	setPTTIsToggle(gSavedSettings.getBOOL("PushToTalkToggle"));
-	setEarLocation(gSavedSettings.getS32("VoiceEarLocation"));
-
-	std::string inputDevice = gSavedSettings.getString("VoiceInputAudioDevice");
-	setCaptureDevice(inputDevice);
-	std::string outputDevice = gSavedSettings.getString("VoiceOutputAudioDevice");
-	setRenderDevice(outputDevice);
-	F32 mic_level = gSavedSettings.getF32("AudioLevelMic");
-	setMicGain(mic_level);
-	setLipSyncEnabled(gSavedSettings.getBOOL("LipSyncEnabled"));
-}
-
-/////////////////////////////
-// utility functions
-
-bool LLVoiceClient::writeString(const std::string &str)
-{
-	bool result = false;
-	if(mConnected)
-	{
-		apr_status_t err;
-		apr_size_t size = (apr_size_t)str.size();
-		apr_size_t written = size;
-	
-		//MARK: Turn this on to log outgoing XML
-//		LL_DEBUGS("Voice") << "sending: " << str << LL_ENDL;
-
-		// check return code - sockets will fail (broken, etc.)
-		err = apr_socket_send(
-				mSocket->getSocket(),
-				(const char*)str.data(),
-				&written);
-		
-		if(err == 0)
-		{
-			// Success.
-			result = true;
-		}
-		// TODO: handle partial writes (written is number of bytes written)
-		// Need to set socket to non-blocking before this will work.
-//		else if(APR_STATUS_IS_EAGAIN(err))
-//		{
-//			// 
-//		}
-		else
-		{
-			// Assume any socket error means something bad.  For now, just close the socket.
-			char buf[MAX_STRING];
-			LL_WARNS("Voice") << "apr error " << err << " ("<< apr_strerror(err, buf, MAX_STRING) << ") sending data to vivox daemon." << LL_ENDL;
-			daemonDied();
-		}
-	}
-		
-	return result;
-}
-
-
-/////////////////////////////
-// session control messages
-void LLVoiceClient::connectorCreate()
-{
-	std::ostringstream stream;
-	std::string logpath = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "");
-	std::string loglevel = "0";
-	
-	// Transition to stateConnectorStarted when the connector handle comes back.
-	setState(stateConnectorStarting);
-
-	std::string savedLogLevel = gSavedSettings.getString("VivoxDebugLevel");
-		
-	if(savedLogLevel != "-1")
-	{
-		LL_DEBUGS("Voice") << "creating connector with logging enabled" << LL_ENDL;
-		loglevel = "10";
-	}
-	
-	stream 
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Connector.Create.1\">"
-		<< "<ClientName>V2 SDK</ClientName>"
-		<< "<AccountManagementServer>" << mVoiceAccountServerURI << "</AccountManagementServer>"
-		<< "<Mode>Normal</Mode>"
-		<< "<Logging>"
-			<< "<Folder>" << logpath << "</Folder>"
-			<< "<FileNamePrefix>Connector</FileNamePrefix>"
-			<< "<FileNameSuffix>.log</FileNameSuffix>"
-			<< "<LogLevel>" << loglevel << "</LogLevel>"
-		<< "</Logging>"
-		<< "<Application>SecondLifeViewer.1</Application>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::connectorShutdown()
-{
-	setState(stateConnectorStopping);
-	
-	if(!mConnectorHandle.empty())
-	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Connector.InitiateShutdown.1\">"
-			<< "<ConnectorHandle>" << mConnectorHandle << "</ConnectorHandle>"
-		<< "</Request>"
-		<< "\n\n\n";
-		
-		mConnectorHandle.clear();
-		
-		writeString(stream.str());
-	}
-}
-
-void LLVoiceClient::userAuthorized(const std::string& firstName, const std::string& lastName, const LLUUID &agentID)
-{
-	mAccountFirstName = firstName;
-	mAccountLastName = lastName;
-
-	mAccountDisplayName = firstName;
-	mAccountDisplayName += " ";
-	mAccountDisplayName += lastName;
-
-	LL_INFOS("Voice") << "name \"" << mAccountDisplayName << "\" , ID " << agentID << LL_ENDL;
-
-	sConnectingToAgni = LLViewerLogin::getInstance()->isInProductionGrid();
-
-	mAccountName = nameFromID(agentID);
-}
-
-void LLVoiceClient::requestVoiceAccountProvision(S32 retries)
-{
-	if ( gAgent.getRegion() && mVoiceEnabled )
-	{
-		std::string url = 
-			gAgent.getRegion()->getCapability(
-				"ProvisionVoiceAccountRequest");
-
-		if ( url == "" ) return;
-
-		LLHTTPClient::post(
-			url,
-			LLSD(),
-			new LLViewerVoiceAccountProvisionResponder(retries));
-	}
-}
-
-void LLVoiceClient::login(
-	const std::string& account_name,
-	const std::string& password,
-	const std::string& voice_sip_uri_hostname,
-	const std::string& voice_account_server_uri)
-{
-	mVoiceSIPURIHostName = voice_sip_uri_hostname;
-	mVoiceAccountServerURI = voice_account_server_uri;
-
-	if(!mAccountHandle.empty())
-	{
-		// Already logged in.
-		LL_WARNS("Voice") << "Called while already logged in." << LL_ENDL;
-		
-		// Don't process another login.
-		return;
-	}
-	else if ( account_name != mAccountName )
-	{
-		//TODO: error?
-		LL_WARNS("Voice") << "Wrong account name! " << account_name
-				<< " instead of " << mAccountName << LL_ENDL;
-	}
-	else
-	{
-		mAccountPassword = password;
-	}
-
-	std::string debugSIPURIHostName = gSavedSettings.getString("VivoxDebugSIPURIHostName");
-	
-	if( !debugSIPURIHostName.empty() )
-	{
-		mVoiceSIPURIHostName = debugSIPURIHostName;
-	}
-	
-	if( mVoiceSIPURIHostName.empty() )
-	{
-		// we have an empty account server name
-		// so we fall back to hardcoded defaults
-
-		if(sConnectingToAgni)
-		{
-			// Use the release account server
-			mVoiceSIPURIHostName = "bhr.vivox.com";
-		}
-		else
-		{
-			// Use the development account server
-			mVoiceSIPURIHostName = "bhd.vivox.com";
-		}
-	}
-	
-	std::string debugAccountServerURI = gSavedSettings.getString("VivoxDebugVoiceAccountServerURI");
-
-	if( !debugAccountServerURI.empty() )
-	{
-		mVoiceAccountServerURI = debugAccountServerURI;
-	}
-	
-	if( mVoiceAccountServerURI.empty() )
-	{
-		// If the account server URI isn't specified, construct it from the SIP URI hostname
-		mVoiceAccountServerURI = "https://www." + mVoiceSIPURIHostName + "/api2/";		
-	}
-}
-
-void LLVoiceClient::idle(void* user_data)
-{
-	LLVoiceClient* self = (LLVoiceClient*)user_data;
-	self->stateMachine();
-}
-
-std::string LLVoiceClient::state2string(LLVoiceClient::state inState)
-{
-	std::string result = "UNKNOWN";
-	
-		// Prevent copy-paste errors when updating this list...
-#define CASE(x)  case x:  result = #x;  break
-
-	switch(inState)
-	{
-		CASE(stateDisableCleanup);
-		CASE(stateDisabled);
-		CASE(stateStart);
-		CASE(stateDaemonLaunched);
-		CASE(stateConnecting);
-		CASE(stateConnected);
-		CASE(stateIdle);
-		CASE(stateMicTuningStart);
-		CASE(stateMicTuningRunning);
-		CASE(stateMicTuningStop);
-		CASE(stateConnectorStart);
-		CASE(stateConnectorStarting);
-		CASE(stateConnectorStarted);
-		CASE(stateLoginRetry);
-		CASE(stateLoginRetryWait);
-		CASE(stateNeedsLogin);
-		CASE(stateLoggingIn);
-		CASE(stateLoggedIn);
-		CASE(stateCreatingSessionGroup);
-		CASE(stateNoChannel);
-		CASE(stateJoiningSession);
-		CASE(stateSessionJoined);
-		CASE(stateRunning);
-		CASE(stateLeavingSession);
-		CASE(stateSessionTerminated);
-		CASE(stateLoggingOut);
-		CASE(stateLoggedOut);
-		CASE(stateConnectorStopping);
-		CASE(stateConnectorStopped);
-		CASE(stateConnectorFailed);
-		CASE(stateConnectorFailedWaiting);
-		CASE(stateLoginFailed);
-		CASE(stateLoginFailedWaiting);
-		CASE(stateJoinSessionFailed);
-		CASE(stateJoinSessionFailedWaiting);
-		CASE(stateJail);
-	}
-
-#undef CASE
-	
-	return result;
-}
-
 std::string LLVoiceClientStatusObserver::status2string(LLVoiceClientStatusObserver::EStatusType inStatus)
 {
 	std::string result = "UNKNOWN";
 	
-		// Prevent copy-paste errors when updating this list...
+	// Prevent copy-paste errors when updating this list...
 #define CASE(x)  case x:  result = #x;  break
-
+	
 	switch(inStatus)
 	{
-		CASE(STATUS_LOGIN_RETRY);
-		CASE(STATUS_LOGGED_IN);
-		CASE(STATUS_JOINING);
-		CASE(STATUS_JOINED);
-		CASE(STATUS_LEFT_CHANNEL);
-		CASE(STATUS_VOICE_DISABLED);
-		CASE(STATUS_VOICE_ENABLED);
-		CASE(BEGIN_ERROR_STATUS);
-		CASE(ERROR_CHANNEL_FULL);
-		CASE(ERROR_CHANNEL_LOCKED);
-		CASE(ERROR_NOT_AVAILABLE);
-		CASE(ERROR_UNKNOWN);
-	default:
-		break;
+			CASE(STATUS_LOGIN_RETRY);
+			CASE(STATUS_LOGGED_IN);
+			CASE(STATUS_JOINING);
+			CASE(STATUS_JOINED);
+			CASE(STATUS_LEFT_CHANNEL);
+			CASE(STATUS_VOICE_DISABLED);
+			CASE(BEGIN_ERROR_STATUS);
+			CASE(ERROR_CHANNEL_FULL);
+			CASE(ERROR_CHANNEL_LOCKED);
+			CASE(ERROR_NOT_AVAILABLE);
+			CASE(ERROR_UNKNOWN);
+		default:
+			break;
 	}
-
+	
 #undef CASE
 	
 	return result;
 }
 
-void LLVoiceClient::setState(state inState)
-{
-	LL_DEBUGS("Voice") << "entering state " << state2string(inState) << LL_ENDL;
-	
-	mState = inState;
-}
 
-void LLVoiceClient::stateMachine()
-{
-	if(gDisconnected)
-	{
-		// The viewer has been disconnected from the sim.  Disable voice.
-		setVoiceEnabled(false);
-	}
-	
-	if(mVoiceEnabled)
-	{
-		updatePosition();
-	}
-	else if(mTuningMode)
-	{
-		// Tuning mode is special -- it needs to launch SLVoice even if voice is disabled.
-	}
-	else
-	{
-		if((getState() != stateDisabled) && (getState() != stateDisableCleanup))
-		{
-			// User turned off voice support.  Send the cleanup messages, close the socket, and reset.
-			if(!mConnected)
-			{
-				// if voice was turned off after the daemon was launched but before we could connect to it, we may need to issue a kill.
-				LL_INFOS("Voice") << "Disabling voice before connection to daemon, terminating." << LL_ENDL;
-				killGateway();
-			}
-			
-			logout();
-			connectorShutdown();
-			
-			setState(stateDisableCleanup);
-		}
-	}
-	
-	// Check for parcel boundary crossing
-	{
-		LLViewerRegion *region = gAgent.getRegion();
-		LLParcel *parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
-		
-		if(region && parcel)
-		{
-			S32 parcelLocalID = parcel->getLocalID();
-			std::string regionName = region->getName();
-			std::string capURI = region->getCapability("ParcelVoiceInfoRequest");
-		
-//			LL_DEBUGS("Voice") << "Region name = \"" << regionName << "\", parcel local ID = " << parcelLocalID << ", cap URI = \"" << capURI << "\"" << LL_ENDL;
-
-			// The region name starts out empty and gets filled in later.  
-			// Also, the cap gets filled in a short time after the region cross, but a little too late for our purposes.
-			// If either is empty, wait for the next time around.
-			if(!regionName.empty())
-			{
-				if(!capURI.empty())
-				{
-					if((parcelLocalID != mCurrentParcelLocalID) || (regionName != mCurrentRegionName))
-					{
-						// We have changed parcels.  Initiate a parcel channel lookup.
-						mCurrentParcelLocalID = parcelLocalID;
-						mCurrentRegionName = regionName;
-						
-						parcelChanged();
-					}
-				}
-				else
-				{
-					LL_WARNS_ONCE("Voice") << "region doesn't have ParcelVoiceInfoRequest capability.  This is normal for a short time after teleporting, but bad if it persists for very long." << LL_ENDL;
-				}
-			}
-		}
-	}
-
-	switch(getState())
-	{
-		//MARK: stateDisableCleanup
-		case stateDisableCleanup:
-			// Clean up and reset everything. 
-			closeSocket();
-			deleteAllSessions();
-			deleteAllBuddies();		
-			
-			mConnectorHandle.clear();
-			mAccountHandle.clear();
-			mAccountPassword.clear();
-			mVoiceAccountServerURI.clear();
-			
-			setState(stateDisabled);	
-		break;
-		
-		//MARK: stateDisabled
-		case stateDisabled:
-			if(mTuningMode || (mVoiceEnabled && !mAccountName.empty()))
-			{
-				setState(stateStart);
-			}
-		break;
-		
-		//MARK: stateStart
-		case stateStart:
-			if(gSavedSettings.getBOOL("CmdLineDisableVoice"))
-			{
-				// Voice is locked out, we must not launch the vivox daemon.
-				setState(stateJail);
-			}
-			else if(!isGatewayRunning())
-			{
-				if(true)
-				{
-					// Launch the voice daemon
-					
-					// *FIX:Mani - Using the executable dir instead 
-					// of mAppRODataDir, the working directory from which the app
-					// is launched.
-					//std::string exe_path = gDirUtilp->getAppRODataDir();
-					std::string exe_path = gDirUtilp->getExecutableDir();
-					exe_path += gDirUtilp->getDirDelimiter();
-#if LL_WINDOWS
-					exe_path += "SLVoice.exe";
-#elif LL_DARWIN
-					exe_path += "../Resources/SLVoice";
-#else
-					exe_path += "SLVoice";
-#endif
-					// See if the vivox executable exists
-					llstat s;
-					if(!LLFile::stat(exe_path, &s))
-					{
-						// vivox executable exists.  Build the command line and launch the daemon.
-						// SLIM SDK: these arguments are no longer necessary.
-//						std::string args = " -p tcp -h -c";
-						std::string args;
-						std::string loglevel = gSavedSettings.getString("VivoxDebugLevel");
-						
-						if(loglevel.empty())
-						{
-							loglevel = "-1";	// turn logging off completely
-						}
-						
-						args += " -ll ";
-						args += loglevel;
-						
-						LL_DEBUGS("Voice") << "Args for SLVoice: " << args << LL_ENDL;
-
-#if LL_WINDOWS
-						PROCESS_INFORMATION pinfo;
-						STARTUPINFOW sinfo;
-						memset(&sinfo, 0, sizeof(sinfo));
-
-						std::string exe_dir = gDirUtilp->getExecutableDir();
-
-						llutf16string exe_path16 = utf8str_to_utf16str(exe_path);
-						llutf16string exe_dir16 = utf8str_to_utf16str(exe_dir);
-						llutf16string args16 = utf8str_to_utf16str(args);
-						// Create a writeable copy to keep Windows happy.
-						U16 *argscpy_16 = new U16[args16.size() + 1];
-						wcscpy_s(argscpy_16,args16.size()+1,args16.c_str());
-						if(!CreateProcessW(exe_path16.c_str(), argscpy_16, NULL, NULL, FALSE, 0, NULL, exe_dir16.c_str(), &sinfo, &pinfo))
-						{
-//							DWORD dwErr = GetLastError();
-						}
-						else
-						{
-							// foo = pinfo.dwProcessId; // get your pid here if you want to use it later on
-							// CloseHandle(pinfo.hProcess); // stops leaks - nothing else
-							sGatewayHandle = pinfo.hProcess;
-							CloseHandle(pinfo.hThread); // stops leaks - nothing else
-						}		
-						
-						delete[] argscpy_16;
-#else	// LL_WINDOWS
-						// This should be the same for mac and linux
-						{
-							std::vector<std::string> arglist;
-							arglist.push_back(exe_path);
-							
-							// Split the argument string into separate strings for each argument
-							typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
-							boost::char_separator<char> sep(" ");
-							tokenizer tokens(args, sep);
-							tokenizer::iterator token_iter;
-
-							for(token_iter = tokens.begin(); token_iter != tokens.end(); ++token_iter)
-							{
-								arglist.push_back(*token_iter);
-							}
-							
-							// create an argv vector for the child process
-							char **fakeargv = new char*[arglist.size() + 1];
-							int i;
-							for(i=0; i < arglist.size(); i++)
-								fakeargv[i] = const_cast<char*>(arglist[i].c_str());
-
-							fakeargv[i] = NULL;
-							
-							fflush(NULL); // flush all buffers before the child inherits them
-							pid_t id = vfork();
-							if(id == 0)
-							{
-								// child
-								execv(exe_path.c_str(), fakeargv);
-								
-								// If we reach this point, the exec failed.
-								// Use _exit() instead of exit() per the vfork man page.
-								_exit(0);
-							}
-
-							// parent
-							delete[] fakeargv;
-							sGatewayPID = id;
-						}
-#endif	// LL_WINDOWS
-						mDaemonHost = LLHost(gSavedSettings.getString("VoiceHost").c_str(), gSavedSettings.getU32("VoicePort"));
-					}	
-					else
-					{
-						LL_INFOS("Voice") << exe_path << " not found." << LL_ENDL;
-					}	
-				}
-				else
-				{		
-					// SLIM SDK: port changed from 44124 to 44125.
-					// We can connect to a client gateway running on another host.  This is useful for testing.
-					// To do this, launch the gateway on a nearby host like this:
-					//  vivox-gw.exe -p tcp -i 0.0.0.0:44125
-					// and put that host's IP address here.
-					mDaemonHost = LLHost(gSavedSettings.getString("VoiceHost"), gSavedSettings.getU32("VoicePort"));
-				}
-
-				mUpdateTimer.start();
-				mUpdateTimer.setTimerExpirySec(CONNECT_THROTTLE_SECONDS);
-
-				setState(stateDaemonLaunched);
-				
-				// Dirty the states we'll need to sync with the daemon when it comes up.
-				mPTTDirty = true;
-				mMicVolumeDirty = true;
-				mSpeakerVolumeDirty = true;
-				mSpeakerMuteDirty = true;
-				// These only need to be set if they're not default (i.e. empty string).
-				mCaptureDeviceDirty = !mCaptureDevice.empty();
-				mRenderDeviceDirty = !mRenderDevice.empty();
-				
-				mMainSessionGroupHandle.clear();
-			}
-		break;
-
-		//MARK: stateDaemonLaunched
-		case stateDaemonLaunched:
-			if(mUpdateTimer.hasExpired())
-			{
-				LL_DEBUGS("Voice") << "Connecting to vivox daemon" << LL_ENDL;
-
-				mUpdateTimer.setTimerExpirySec(CONNECT_THROTTLE_SECONDS);
-
-				if(!mSocket)
-				{
-					mSocket = LLSocket::create(gAPRPoolp, LLSocket::STREAM_TCP);	
-				}
-				
-				mConnected = mSocket->blockingConnect(mDaemonHost);
-				if(mConnected)
-				{
-					setState(stateConnecting);
-				}
-				else
-				{
-					// If the connect failed, the socket may have been put into a bad state.  Delete it.
-					closeSocket();
-				}
-			}
-		break;
-
-		//MARK: stateConnecting
-		case stateConnecting:
-		// Can't do this until we have the pump available.
-		if(mPump)
-		{
-			// MBW -- Note to self: pumps and pipes examples in
-			//  indra/test/io.cpp
-			//  indra/test/llpipeutil.{cpp|h}
-
-			// Attach the pumps and pipes
-				
-			LLPumpIO::chain_t readChain;
-
-			readChain.push_back(LLIOPipe::ptr_t(new LLIOSocketReader(mSocket)));
-			readChain.push_back(LLIOPipe::ptr_t(new LLVivoxProtocolParser()));
-
-			mPump->addChain(readChain, NEVER_CHAIN_EXPIRY_SECS);
-
-			setState(stateConnected);
-		}
-
-		break;
-		
-		//MARK: stateConnected
-		case stateConnected:
-			// Initial devices query
-			getCaptureDevicesSendMessage();
-			getRenderDevicesSendMessage();
-
-			mLoginRetryCount = 0;
-
-			setState(stateIdle);
-		break;
-
-		//MARK: stateIdle
-		case stateIdle:
-			// This is the idle state where we're connected to the daemon but haven't set up a connector yet.
-			if(mTuningMode)
-			{
-				mTuningExitState = stateIdle;
-				setState(stateMicTuningStart);
-			}
-			else if(!mVoiceEnabled)
-			{
-				// We never started up the connector.  This will shut down the daemon.
-				setState(stateConnectorStopped);
-			}
-			else if(!mAccountName.empty())
-			{
-				LLViewerRegion *region = gAgent.getRegion();
-				
-				if(region)
-				{
-					if ( region->getCapability("ProvisionVoiceAccountRequest") != "" )
-					{
-						if ( mAccountPassword.empty() )
-						{
-							requestVoiceAccountProvision();
-						}
-						setState(stateConnectorStart);
-					}
-					else
-					{
-						LL_WARNS_ONCE("Voice") << "region doesn't have ProvisionVoiceAccountRequest capability!" << LL_ENDL;
-					}
-				}
-			}
-		break;
-
-		//MARK: stateMicTuningStart
-		case stateMicTuningStart:
-			if(mUpdateTimer.hasExpired())
-			{
-				if(mCaptureDeviceDirty || mRenderDeviceDirty)
-				{
-					// These can't be changed while in tuning mode.  Set them before starting.
-					std::ostringstream stream;
-					
-					buildSetCaptureDevice(stream);
-					buildSetRenderDevice(stream);
-
-					if(!stream.str().empty())
-					{
-						writeString(stream.str());
-					}				
-
-					// This will come around again in the same state and start the capture, after the timer expires.
-					mUpdateTimer.start();
-					mUpdateTimer.setTimerExpirySec(UPDATE_THROTTLE_SECONDS);
-				}
-				else
-				{
-					// duration parameter is currently unused, per Mike S.
-					tuningCaptureStartSendMessage(10000);
-
-					setState(stateMicTuningRunning);
-				}
-			}
-			
-		break;
-		
-		//MARK: stateMicTuningRunning
-		case stateMicTuningRunning:
-			if(!mTuningMode || mCaptureDeviceDirty || mRenderDeviceDirty)
-			{
-				// All of these conditions make us leave tuning mode.
-				setState(stateMicTuningStop);
-			}
-			else
-			{
-				// process mic/speaker volume changes
-				if(mTuningMicVolumeDirty || mTuningSpeakerVolumeDirty)
-				{
-					std::ostringstream stream;
-					
-					if(mTuningMicVolumeDirty)
-					{
-						LL_INFOS("Voice") << "setting tuning mic level to " << mTuningMicVolume << LL_ENDL;
-						stream
-						<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.SetMicLevel.1\">"
-						<< "<Level>" << mTuningMicVolume << "</Level>"
-						<< "</Request>\n\n\n";
-					}
-					
-					if(mTuningSpeakerVolumeDirty)
-					{
-						stream
-						<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.SetSpeakerLevel.1\">"
-						<< "<Level>" << mTuningSpeakerVolume << "</Level>"
-						<< "</Request>\n\n\n";
-					}
-					
-					mTuningMicVolumeDirty = false;
-					mTuningSpeakerVolumeDirty = false;
-
-					if(!stream.str().empty())
-					{
-						writeString(stream.str());
-					}
-				}
-			}
-		break;
-		
-		//MARK: stateMicTuningStop
-		case stateMicTuningStop:
-		{
-			// transition out of mic tuning
-			tuningCaptureStopSendMessage();
-			
-			setState(mTuningExitState);
-			
-			// if we exited just to change devices, this will keep us from re-entering too fast.
-			mUpdateTimer.start();
-			mUpdateTimer.setTimerExpirySec(UPDATE_THROTTLE_SECONDS);
-			
-		}
-		break;
-												
-		//MARK: stateConnectorStart
-		case stateConnectorStart:
-			if(!mVoiceEnabled)
-			{
-				// We were never logged in.  This will shut down the connector.
-				setState(stateLoggedOut);
-			}
-			else if(!mVoiceAccountServerURI.empty())
-			{
-				connectorCreate();
-			}
-		break;
-		
-		//MARK: stateConnectorStarting
-		case stateConnectorStarting:	// waiting for connector handle
-			// connectorCreateResponse() will transition from here to stateConnectorStarted.
-		break;
-		
-		//MARK: stateConnectorStarted
-		case stateConnectorStarted:		// connector handle received
-			if(!mVoiceEnabled)
-			{
-				// We were never logged in.  This will shut down the connector.
-				setState(stateLoggedOut);
-			}
-			else
-			{
-				// The connector is started.  Send a login message.
-				setState(stateNeedsLogin);
-			}
-		break;
-				
-		//MARK: stateLoginRetry
-		case stateLoginRetry:
-			if(mLoginRetryCount == 0)
-			{
-				// First retry -- display a message to the user
-				notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_LOGIN_RETRY);
-			}
-			
-			mLoginRetryCount++;
-			
-			if(mLoginRetryCount > MAX_LOGIN_RETRIES)
-			{
-				LL_WARNS("Voice") << "too many login retries, giving up." << LL_ENDL;
-				setState(stateLoginFailed);
-			}
-			else
-			{
-				LL_INFOS("Voice") << "will retry login in " << LOGIN_RETRY_SECONDS << " seconds." << LL_ENDL;
-				mUpdateTimer.start();
-				mUpdateTimer.setTimerExpirySec(LOGIN_RETRY_SECONDS);
-				setState(stateLoginRetryWait);
-			}
-		break;
-		
-		//MARK: stateLoginRetryWait
-		case stateLoginRetryWait:
-			if(mUpdateTimer.hasExpired())
-			{
-				setState(stateNeedsLogin);
-			}
-		break;
-		
-		//MARK: stateNeedsLogin
-		case stateNeedsLogin:
-			if(!mAccountPassword.empty())
-			{
-				setState(stateLoggingIn);
-				loginSendMessage();
-			}		
-		break;
-		
-		//MARK: stateLoggingIn
-		case stateLoggingIn:			// waiting for account handle
-			// loginResponse() will transition from here to stateLoggedIn.
-		break;
-		
-		//MARK: stateLoggedIn
-		case stateLoggedIn:				// account handle received
-
-			notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_LOGGED_IN);
-
-			// request the current set of block rules (we'll need them when updating the friends list)
-			accountListBlockRulesSendMessage();
-			
-			// request the current set of auto-accept rules
-			accountListAutoAcceptRulesSendMessage();
-			
-			// Set up the mute list observer if it hasn't been set up already.
-			if((!sMuteListListener_listening))
-			{
-				LLMuteList::getInstance()->addObserver(&mutelist_listener);
-				sMuteListListener_listening = true;
-			}
-
-			// Set up the friends list observer if it hasn't been set up already.
-			if(friendslist_listener == NULL)
-			{
-				friendslist_listener = new LLVoiceClientFriendsObserver;
-				LLAvatarTracker::instance().addObserver(friendslist_listener);
-			}
-			
-			// Set the initial state of mic mute, local speaker volume, etc.
-			{
-				std::ostringstream stream;
-				
-				buildLocalAudioUpdates(stream);
-				
-				if(!stream.str().empty())
-				{
-					writeString(stream.str());
-				}
-			}
-			
-#if USE_SESSION_GROUPS			
-			// create the main session group
-			sessionGroupCreateSendMessage();
-			
-			setState(stateCreatingSessionGroup);
-#else
-			// Not using session groups -- skip the stateCreatingSessionGroup state.
-			setState(stateNoChannel);
-
-			// Initial kick-off of channel lookup logic
-			parcelChanged();		
-#endif
-		break;
-		
-		//MARK: stateCreatingSessionGroup
-		case stateCreatingSessionGroup:
-			if(mSessionTerminateRequested || !mVoiceEnabled)
-			{
-				// TODO: Question: is this the right way out of this state
-				setState(stateSessionTerminated);
-			}
-			else if(!mMainSessionGroupHandle.empty())
-			{
-				setState(stateNoChannel);
-				
-				// Start looped recording (needed for "panic button" anti-griefing tool)
-				recordingLoopStart();
 
-				// Initial kick-off of channel lookup logic
-				parcelChanged();		
-			}
-		break;
-					
-		//MARK: stateNoChannel
-		case stateNoChannel:
-			
-			mSpatialJoiningNum = 0;
-			// Do this here as well as inside sendPositionalUpdate().  
-			// Otherwise, if you log in but don't join a proximal channel (such as when your login location has voice disabled), your friends list won't sync.
-			sendFriendsListUpdates();
-			
-			if(mSessionTerminateRequested || !mVoiceEnabled)
-			{
-				// TODO: Question: Is this the right way out of this state?
-				setState(stateSessionTerminated);
-			}
-			else if(mTuningMode)
-			{
-				mTuningExitState = stateNoChannel;
-				setState(stateMicTuningStart);
-			}
-			else if(sessionNeedsRelog(mNextAudioSession))
-			{
-				requestRelog();
-				setState(stateSessionTerminated);
-			}
-			else if(mNextAudioSession)
-			{				
-				sessionState *oldSession = mAudioSession;
-
-				mAudioSession = mNextAudioSession;
-				if(!mAudioSession->mReconnect)	
-				{
-					mNextAudioSession = NULL;
-				}
-				
-				// The old session may now need to be deleted.
-				reapSession(oldSession);
-				
-				if(!mAudioSession->mHandle.empty())
-				{
-					// Connect to a session by session handle
-
-					sessionMediaConnectSendMessage(mAudioSession);
-				}
-				else
-				{
-					// Connect to a session by URI
-					sessionCreateSendMessage(mAudioSession, true, false);
-				}
-
-				notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_JOINING);
-				setState(stateJoiningSession);
-			}
-			else if(!mSpatialSessionURI.empty())
-			{
-				// If we're not headed elsewhere and have a spatial URI, return to spatial.
-				switchChannel(mSpatialSessionURI, true, false, false, mSpatialSessionCredentials);
-			}
-		break;
-
-		//MARK: stateJoiningSession
-		case stateJoiningSession:		// waiting for session handle
-
-			// If this is true we have problem with connection to voice server (EXT-4313).
-			// See descriptions of mSpatialJoiningNum and MAX_NORMAL_JOINING_SPATIAL_NUM.
-			if(mSpatialJoiningNum == MAX_NORMAL_JOINING_SPATIAL_NUM) 
-			{
-				// Notify observers to let them know there is problem with voice
-				notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_VOICE_DISABLED);
-				llwarns << "There seems to be problem with connection to voice server. Disabling voice chat abilities." << llendl;
-			}
 
-			// Increase mSpatialJoiningNum only for spatial sessions- it's normal to reach this case for
-			// example for p2p many times while waiting for response, so it can't be used to detect errors
-			if(mAudioSession && mAudioSession->mIsSpatial)
-			{
-				mSpatialJoiningNum++;
-			}
-			
-			// joinedAudioSession() will transition from here to stateSessionJoined.
-			if(!mVoiceEnabled)
-			{
-				// User bailed out during connect -- jump straight to teardown.
-				setState(stateSessionTerminated);
-			}
-			else if(mSessionTerminateRequested)
-			{
-				if(mAudioSession && !mAudioSession->mHandle.empty())
-				{
-					// Only allow direct exits from this state in p2p calls (for cancelling an invite).
-					// Terminating a half-connected session on other types of calls seems to break something in the vivox gateway.
-					if(mAudioSession->mIsP2P)
-					{
-						sessionMediaDisconnectSendMessage(mAudioSession);
-						setState(stateSessionTerminated);
-					}
-				}
-			}
-		break;
-		
-		//MARK: stateSessionJoined
-		case stateSessionJoined:		// session handle received
-			
-			mSpatialJoiningNum = 0;
-			// It appears that I need to wait for BOTH the SessionGroup.AddSession response and the SessionStateChangeEvent with state 4
-			// before continuing from this state.  They can happen in either order, and if I don't wait for both, things can get stuck.
-			// For now, the SessionGroup.AddSession response handler sets mSessionHandle and the SessionStateChangeEvent handler transitions to stateSessionJoined.
-			// This is a cheap way to make sure both have happened before proceeding.
-			if(mAudioSession && mAudioSession->mVoiceEnabled)
-			{
-				// Dirty state that may need to be sync'ed with the daemon.
-				mPTTDirty = true;
-				mSpeakerVolumeDirty = true;
-				mSpatialCoordsDirty = true;
-				
-				setState(stateRunning);
-				
-				// Start the throttle timer
-				mUpdateTimer.start();
-				mUpdateTimer.setTimerExpirySec(UPDATE_THROTTLE_SECONDS);
-
-				// Events that need to happen when a session is joined could go here.
-				// Maybe send initial spatial data?
-				notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_JOINED);
-
-			}
-			else if(!mVoiceEnabled)
-			{
-				// User bailed out during connect -- jump straight to teardown.
-				setState(stateSessionTerminated);
-			}
-			else if(mSessionTerminateRequested)
-			{
-				// Only allow direct exits from this state in p2p calls (for cancelling an invite).
-				// Terminating a half-connected session on other types of calls seems to break something in the vivox gateway.
-				if(mAudioSession && mAudioSession->mIsP2P)
-				{
-					sessionMediaDisconnectSendMessage(mAudioSession);
-					setState(stateSessionTerminated);
-				}
-			}
-		break;
-		
-		//MARK: stateRunning
-		case stateRunning:				// steady state
-			// Disabling voice or disconnect requested.
-			if(!mVoiceEnabled || mSessionTerminateRequested)
-			{
-				leaveAudioSession();
-			}
-			else
-			{
-				
-				// Figure out whether the PTT state needs to change
-				{
-					bool newPTT;
-					if(mUsePTT)
-					{
-						// If configured to use PTT, track the user state.
-						newPTT = mUserPTTState;
-					}
-					else
-					{
-						// If not configured to use PTT, it should always be true (otherwise the user will be unable to speak).
-						newPTT = true;
-					}
-					
-					if(mMuteMic)
-					{
-						// This always overrides any other PTT setting.
-						newPTT = false;
-					}
-					
-					// Dirty if state changed.
-					if(newPTT != mPTT)
-					{
-						mPTT = newPTT;
-						mPTTDirty = true;
-					}
-				}
-				
-				if(!inSpatialChannel())
-				{
-					// When in a non-spatial channel, never send positional updates.
-					mSpatialCoordsDirty = false;
-				}
-				else
-				{
-					// Do the calculation that enforces the listener<->speaker tether (and also updates the real camera position)
-					enforceTether();
-				}
-				
-				// Send an update only if the ptt or mute state has changed (which shouldn't be able to happen that often
-				// -- the user can only click so fast) or every 10hz, whichever is sooner.
-				// Sending for every volume update causes an excessive flood of messages whenever a volume slider is dragged.
-				if((mAudioSession && mAudioSession->mMuteDirty) || mPTTDirty || mUpdateTimer.hasExpired())
-				{
-					mUpdateTimer.setTimerExpirySec(UPDATE_THROTTLE_SECONDS);
-					sendPositionalUpdate();
-				}
-			}
-		break;
-		
-		//MARK: stateLeavingSession
-		case stateLeavingSession:		// waiting for terminate session response
-			// The handler for the Session.Terminate response will transition from here to stateSessionTerminated.
-		break;
-
-		//MARK: stateSessionTerminated
-		case stateSessionTerminated:
-			
-			// Must do this first, since it uses mAudioSession.
-			notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_LEFT_CHANNEL);
-			
-			if(mAudioSession)
-			{
-				sessionState *oldSession = mAudioSession;
-
-				mAudioSession = NULL;
-				// We just notified status observers about this change.  Don't do it again.
-				mAudioSessionChanged = false;
-
-				// The old session may now need to be deleted.
-				reapSession(oldSession);
-			}
-			else
-			{
-				LL_WARNS("Voice") << "stateSessionTerminated with NULL mAudioSession" << LL_ENDL;
-			}
-	
-			// Always reset the terminate request flag when we get here.
-			mSessionTerminateRequested = false;
-
-			if(mVoiceEnabled && !mRelogRequested)
-			{				
-				// Just leaving a channel, go back to stateNoChannel (the "logged in but have no channel" state).
-				setState(stateNoChannel);
-			}
-			else
-			{
-				// Shutting down voice, continue with disconnecting.
-				logout();
-				
-				// The state machine will take it from here
-				mRelogRequested = false;
-			}
-			
-		break;
-		
-		//MARK: stateLoggingOut
-		case stateLoggingOut:			// waiting for logout response
-			// The handler for the AccountLoginStateChangeEvent will transition from here to stateLoggedOut.
-		break;
-		
-		//MARK: stateLoggedOut
-		case stateLoggedOut:			// logout response received
-			
-			// Once we're logged out, all these things are invalid.
-			mAccountHandle.clear();
-			deleteAllSessions();
-			deleteAllBuddies();
-
-			if(mVoiceEnabled && !mRelogRequested)
-			{
-				// User was logged out, but wants to be logged in.  Send a new login request.
-				setState(stateNeedsLogin);
-			}
-			else
-			{
-				// shut down the connector
-				connectorShutdown();
-			}
-		break;
-		
-		//MARK: stateConnectorStopping
-		case stateConnectorStopping:	// waiting for connector stop
-			// The handler for the Connector.InitiateShutdown response will transition from here to stateConnectorStopped.
-		break;
-
-		//MARK: stateConnectorStopped
-		case stateConnectorStopped:		// connector stop received
-			setState(stateDisableCleanup);
-		break;
-
-		//MARK: stateConnectorFailed
-		case stateConnectorFailed:
-			setState(stateConnectorFailedWaiting);
-		break;
-		//MARK: stateConnectorFailedWaiting
-		case stateConnectorFailedWaiting:
-			if(!mVoiceEnabled)
-			{
-				setState(stateDisableCleanup);
-			}
-		break;
-
-		//MARK: stateLoginFailed
-		case stateLoginFailed:
-			setState(stateLoginFailedWaiting);
-		break;
-		//MARK: stateLoginFailedWaiting
-		case stateLoginFailedWaiting:
-			if(!mVoiceEnabled)
-			{
-				setState(stateDisableCleanup);
-			}
-		break;
-
-		//MARK: stateJoinSessionFailed
-		case stateJoinSessionFailed:
-			// Transition to error state.  Send out any notifications here.
-			if(mAudioSession)
-			{
-				LL_WARNS("Voice") << "stateJoinSessionFailed: (" << mAudioSession->mErrorStatusCode << "): " << mAudioSession->mErrorStatusString << LL_ENDL;
-			}
-			else
-			{
-				LL_WARNS("Voice") << "stateJoinSessionFailed with no current session" << LL_ENDL;
-			}
-			
-			notifyStatusObservers(LLVoiceClientStatusObserver::ERROR_UNKNOWN);
-			setState(stateJoinSessionFailedWaiting);
-		break;
-		
-		//MARK: stateJoinSessionFailedWaiting
-		case stateJoinSessionFailedWaiting:
-			// Joining a channel failed, either due to a failed channel name -> sip url lookup or an error from the join message.
-			// Region crossings may leave this state and try the join again.
-			if(mSessionTerminateRequested)
-			{
-				setState(stateSessionTerminated);
-			}
-		break;
-		
-		//MARK: stateJail
-		case stateJail:
-			// We have given up.  Do nothing.
-		break;
-
-	}
-	
-	if(mAudioSession && mAudioSession->mParticipantsChanged)
-	{
-		mAudioSession->mParticipantsChanged = false;
-		mAudioSessionChanged = true;
-	}
-	
-	if(mAudioSessionChanged)
-	{
-		mAudioSessionChanged = false;
-		notifyParticipantObservers();
-	}
-}
-
-void LLVoiceClient::closeSocket(void)
-{
-	mSocket.reset();
-	mConnected = false;	
-}
-
-void LLVoiceClient::loginSendMessage()
-{
-	std::ostringstream stream;
-
-	bool autoPostCrashDumps = gSavedSettings.getBOOL("VivoxAutoPostCrashDumps");
-
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.Login.1\">"
-		<< "<ConnectorHandle>" << mConnectorHandle << "</ConnectorHandle>"
-		<< "<AccountName>" << mAccountName << "</AccountName>"
-		<< "<AccountPassword>" << mAccountPassword << "</AccountPassword>"
-		<< "<AudioSessionAnswerMode>VerifyAnswer</AudioSessionAnswerMode>"
-		<< "<EnableBuddiesAndPresence>true</EnableBuddiesAndPresence>"
-		<< "<BuddyManagementMode>Application</BuddyManagementMode>"
-		<< "<ParticipantPropertyFrequency>5</ParticipantPropertyFrequency>"
-		<< (autoPostCrashDumps?"<AutopostCrashDumps>true</AutopostCrashDumps>":"")
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::logout()
-{
-	// Ensure that we'll re-request provisioning before logging in again
-	mAccountPassword.clear();
-	mVoiceAccountServerURI.clear();
-	
-	setState(stateLoggingOut);
-	logoutSendMessage();
-}
-
-void LLVoiceClient::logoutSendMessage()
-{
-	if(!mAccountHandle.empty())
-	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.Logout.1\">"
-			<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-		<< "</Request>"
-		<< "\n\n\n";
-
-		mAccountHandle.clear();
-
-		writeString(stream.str());
-	}
-}
-
-void LLVoiceClient::accountListBlockRulesSendMessage()
-{
-	if(!mAccountHandle.empty())
-	{		
-		std::ostringstream stream;
-
-		LL_DEBUGS("Voice") << "requesting block rules" << LL_ENDL;
-
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.ListBlockRules.1\">"
-			<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-		<< "</Request>"
-		<< "\n\n\n";
-
-		writeString(stream.str());
-	}
-}
-
-void LLVoiceClient::accountListAutoAcceptRulesSendMessage()
-{
-	if(!mAccountHandle.empty())
-	{		
-		std::ostringstream stream;
-
-		LL_DEBUGS("Voice") << "requesting auto-accept rules" << LL_ENDL;
-
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.ListAutoAcceptRules.1\">"
-			<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-		<< "</Request>"
-		<< "\n\n\n";
-
-		writeString(stream.str());
-	}
-}
-
-void LLVoiceClient::sessionGroupCreateSendMessage()
-{
-	if(!mAccountHandle.empty())
-	{		
-		std::ostringstream stream;
-
-		LL_DEBUGS("Voice") << "creating session group" << LL_ENDL;
-
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.Create.1\">"
-			<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-			<< "<Type>Normal</Type>"
-		<< "</Request>"
-		<< "\n\n\n";
-
-		writeString(stream.str());
-	}
-}
-
-void LLVoiceClient::sessionCreateSendMessage(sessionState *session, bool startAudio, bool startText)
-{
-	LL_DEBUGS("Voice") << "requesting create: " << session->mSIPURI << LL_ENDL;
-	
-	session->mCreateInProgress = true;
-	if(startAudio)
-	{
-		session->mMediaConnectInProgress = true;
-	}
-
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << session->mSIPURI << "\" action=\"Session.Create.1\">"
-		<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-		<< "<URI>" << session->mSIPURI << "</URI>";
-
-	static const std::string allowed_chars =
-				"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
-				"0123456789"
-				"-._~";
-
-	if(!session->mHash.empty())
-	{
-		stream
-			<< "<Password>" << LLURI::escape(session->mHash, allowed_chars) << "</Password>"
-			<< "<PasswordHashAlgorithm>SHA1UserName</PasswordHashAlgorithm>";
-	}
-	
-	stream
-		<< "<ConnectAudio>" << (startAudio?"true":"false") << "</ConnectAudio>"
-		<< "<ConnectText>" << (startText?"true":"false") << "</ConnectText>"
-		<< "<Name>" << mChannelName << "</Name>"
-	<< "</Request>\n\n\n";
-	writeString(stream.str());
-}
-
-void LLVoiceClient::sessionGroupAddSessionSendMessage(sessionState *session, bool startAudio, bool startText)
-{
-	LL_DEBUGS("Voice") << "requesting create: " << session->mSIPURI << LL_ENDL;
-	
-	session->mCreateInProgress = true;
-	if(startAudio)
-	{
-		session->mMediaConnectInProgress = true;
-	}
-	
-	std::string password;
-	if(!session->mHash.empty())
-	{
-		static const std::string allowed_chars =
-					"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
-					"0123456789"
-					"-._~"
-					;
-		password = LLURI::escape(session->mHash, allowed_chars);
-	}
-
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << session->mSIPURI << "\" action=\"SessionGroup.AddSession.1\">"
-		<< "<SessionGroupHandle>" << session->mGroupHandle << "</SessionGroupHandle>"
-		<< "<URI>" << session->mSIPURI << "</URI>"
-		<< "<Name>" << mChannelName << "</Name>"
-		<< "<ConnectAudio>" << (startAudio?"true":"false") << "</ConnectAudio>"
-		<< "<ConnectText>" << (startText?"true":"false") << "</ConnectText>"
-		<< "<Password>" << password << "</Password>"
-		<< "<PasswordHashAlgorithm>SHA1UserName</PasswordHashAlgorithm>"
-	<< "</Request>\n\n\n"
-	;
-	
-	writeString(stream.str());
-}
+///////////////////////////////////////////////////////////////////////////////////////////////
 
-void LLVoiceClient::sessionMediaConnectSendMessage(sessionState *session)
+LLVoiceClient::LLVoiceClient()
 {
-	LL_DEBUGS("Voice") << "connecting audio to session handle: " << session->mHandle << LL_ENDL;
-
-	session->mMediaConnectInProgress = true;
-	
-	std::ostringstream stream;
-
-	stream
-	<< "<Request requestId=\"" << session->mHandle << "\" action=\"Session.MediaConnect.1\">"
-		<< "<SessionGroupHandle>" << session->mGroupHandle << "</SessionGroupHandle>"
-		<< "<SessionHandle>" << session->mHandle << "</SessionHandle>"
-		<< "<Media>Audio</Media>"
-	<< "</Request>\n\n\n";
-
-	writeString(stream.str());
+	mVoiceModule = NULL;
 }
 
-void LLVoiceClient::sessionTextConnectSendMessage(sessionState *session)
-{
-	LL_DEBUGS("Voice") << "connecting text to session handle: " << session->mHandle << LL_ENDL;
-	
-	std::ostringstream stream;
-
-	stream
-	<< "<Request requestId=\"" << session->mHandle << "\" action=\"Session.TextConnect.1\">"
-		<< "<SessionGroupHandle>" << session->mGroupHandle << "</SessionGroupHandle>"
-		<< "<SessionHandle>" << session->mHandle << "</SessionHandle>"
-	<< "</Request>\n\n\n";
-
-	writeString(stream.str());
-}
+//---------------------------------------------------
+// Basic setup/shutdown
 
-void LLVoiceClient::sessionTerminate()
+LLVoiceClient::~LLVoiceClient()
 {
-	mSessionTerminateRequested = true;
 }
 
-void LLVoiceClient::requestRelog()
+void LLVoiceClient::init(LLPumpIO *pump)
 {
-	mSessionTerminateRequested = true;
-	mRelogRequested = true;
+	// Initialize all of the voice modules
+	m_servicePump = pump;
 }
 
-
-void LLVoiceClient::leaveAudioSession()
+void LLVoiceClient::userAuthorized(const std::string& user_id, const LLUUID &agentID)
 {
-	if(mAudioSession)
+	// In the future, we should change this to allow voice module registration
+	// with a table lookup of sorts.
+	std::string voice_server = gSavedSettings.getString("VoiceServerType");
+	LL_DEBUGS("Voice") << "voice server type " << voice_server << LL_ENDL;
+	if(voice_server == "vivox")
 	{
-		LL_DEBUGS("Voice") << "leaving session: " << mAudioSession->mSIPURI << LL_ENDL;
-
-		switch(getState())
-		{
-			case stateNoChannel:
-				// In this case, we want to pretend the join failed so our state machine doesn't get stuck.
-				// Skip the join failed transition state so we don't send out error notifications.
-				setState(stateJoinSessionFailedWaiting);
-			break;
-			case stateJoiningSession:
-			case stateSessionJoined:
-			case stateRunning:
-				if(!mAudioSession->mHandle.empty())
-				{
-
-#if RECORD_EVERYTHING
-					// HACK: for testing only
-					// Save looped recording
-					std::string savepath("/tmp/vivoxrecording");
-					{
-						time_t now = time(NULL);
-						const size_t BUF_SIZE = 64;
-						char time_str[BUF_SIZE];	/* Flawfinder: ignore */
-						
-						strftime(time_str, BUF_SIZE, "%Y-%m-%dT%H:%M:%SZ", gmtime(&now));
-						savepath += time_str;
-					}
-					recordingLoopSave(savepath);
-#endif
-
-					sessionMediaDisconnectSendMessage(mAudioSession);
-					setState(stateLeavingSession);
-				}
-				else
-				{
-					LL_WARNS("Voice") << "called with no session handle" << LL_ENDL;	
-					setState(stateSessionTerminated);
-				}
-			break;
-			case stateJoinSessionFailed:
-			case stateJoinSessionFailedWaiting:
-				setState(stateSessionTerminated);
-			break;
-			
-			default:
-				LL_WARNS("Voice") << "called from unknown state" << LL_ENDL;
-			break;
-		}
+		mVoiceModule = (LLVoiceModuleInterface *)LLVivoxVoiceClient::getInstance();
 	}
 	else
 	{
-		LL_WARNS("Voice") << "called with no active session" << LL_ENDL;
-		setState(stateSessionTerminated);
+		mVoiceModule = NULL;
+		return; 
 	}
+	mVoiceModule->init(m_servicePump);	
+	mVoiceModule->userAuthorized(user_id, agentID);
 }
 
-void LLVoiceClient::sessionTerminateSendMessage(sessionState *session)
-{
-	std::ostringstream stream;
-	
-	LL_DEBUGS("Voice") << "Sending Session.Terminate with handle " << session->mHandle << LL_ENDL;	
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.Terminate.1\">"
-		<< "<SessionHandle>" << session->mHandle << "</SessionHandle>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::sessionGroupTerminateSendMessage(sessionState *session)
-{
-	std::ostringstream stream;
-	
-	LL_DEBUGS("Voice") << "Sending SessionGroup.Terminate with handle " << session->mGroupHandle << LL_ENDL;	
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.Terminate.1\">"
-		<< "<SessionGroupHandle>" << session->mGroupHandle << "</SessionGroupHandle>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
 
-void LLVoiceClient::sessionMediaDisconnectSendMessage(sessionState *session)
-{
-	std::ostringstream stream;
-	
-	LL_DEBUGS("Voice") << "Sending Session.MediaDisconnect with handle " << session->mHandle << LL_ENDL;	
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.MediaDisconnect.1\">"
-		<< "<SessionGroupHandle>" << session->mGroupHandle << "</SessionGroupHandle>"
-		<< "<SessionHandle>" << session->mHandle << "</SessionHandle>"
-		<< "<Media>Audio</Media>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-	
-}
-
-void LLVoiceClient::sessionTextDisconnectSendMessage(sessionState *session)
-{
-	std::ostringstream stream;
-	
-	LL_DEBUGS("Voice") << "Sending Session.TextDisconnect with handle " << session->mHandle << LL_ENDL;	
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.TextDisconnect.1\">"
-		<< "<SessionGroupHandle>" << session->mGroupHandle << "</SessionGroupHandle>"
-		<< "<SessionHandle>" << session->mHandle << "</SessionHandle>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::getCaptureDevicesSendMessage()
-{
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.GetCaptureDevices.1\">"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::getRenderDevicesSendMessage()
-{
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.GetRenderDevices.1\">"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::clearCaptureDevices()
-{
-	LL_DEBUGS("Voice") << "called" << LL_ENDL;
-	mCaptureDevices.clear();
-}
-
-void LLVoiceClient::addCaptureDevice(const std::string& name)
-{
-	LL_DEBUGS("Voice") << name << LL_ENDL;
-
-	mCaptureDevices.push_back(name);
-}
-
-LLVoiceClient::deviceList *LLVoiceClient::getCaptureDevices()
+void LLVoiceClient::terminate()
 {
-	return &mCaptureDevices;
+	if (mVoiceModule) mVoiceModule->terminate();
+	mVoiceModule = NULL;
 }
 
-void LLVoiceClient::setCaptureDevice(const std::string& name)
+const LLVoiceVersionInfo LLVoiceClient::getVersion()
 {
-	if(name == "Default")
+	if (mVoiceModule) 
 	{
-		if(!mCaptureDevice.empty())
-		{
-			mCaptureDevice.clear();
-			mCaptureDeviceDirty = true;	
-		}
+		return mVoiceModule->getVersion();
 	}
 	else
 	{
-		if(mCaptureDevice != name)
-		{
-			mCaptureDevice = name;
-			mCaptureDeviceDirty = true;	
-		}
+		LLVoiceVersionInfo result;
+		result.serverVersion = std::string();
+		result.serverType = std::string();
+		return result;
 	}
 }
 
-void LLVoiceClient::clearRenderDevices()
-{	
-	LL_DEBUGS("Voice") << "called" << LL_ENDL;
-	mRenderDevices.clear();
-}
-
-void LLVoiceClient::addRenderDevice(const std::string& name)
+void LLVoiceClient::updateSettings()
 {
-	LL_DEBUGS("Voice") << name << LL_ENDL;
-	mRenderDevices.push_back(name);
+	if (mVoiceModule) mVoiceModule->updateSettings();
 }
 
-LLVoiceClient::deviceList *LLVoiceClient::getRenderDevices()
-{
-	return &mRenderDevices;
-}
-
-void LLVoiceClient::setRenderDevice(const std::string& name)
-{
-	if(name == "Default")
-	{
-		if(!mRenderDevice.empty())
-		{
-			mRenderDevice.clear();
-			mRenderDeviceDirty = true;	
-		}
-	}
-	else
-	{
-		if(mRenderDevice != name)
-		{
-			mRenderDevice = name;
-			mRenderDeviceDirty = true;	
-		}
-	}
-	
-}
+//--------------------------------------------------
+// tuning
 
 void LLVoiceClient::tuningStart()
 {
-	mTuningMode = true;
-	if(getState() >= stateNoChannel)
-	{
-		sessionTerminate();
-	}
+	if (mVoiceModule) mVoiceModule->tuningStart();
 }
 
 void LLVoiceClient::tuningStop()
 {
-	mTuningMode = false;
+	if (mVoiceModule) mVoiceModule->tuningStop();
 }
 
 bool LLVoiceClient::inTuningMode()
 {
-	bool result = false;
-	switch(getState())
-	{
-	case stateMicTuningRunning:
-		result = true;
-		break;
-	default:
-		break;
-	}
-	return result;
-}
-
-void LLVoiceClient::tuningRenderStartSendMessage(const std::string& name, bool loop)
-{		
-	mTuningAudioFile = name;
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.RenderAudioStart.1\">"
-    << "<SoundFilePath>" << mTuningAudioFile << "</SoundFilePath>"
-    << "<Loop>" << (loop?"1":"0") << "</Loop>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::tuningRenderStopSendMessage()
-{
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.RenderAudioStop.1\">"
-    << "<SoundFilePath>" << mTuningAudioFile << "</SoundFilePath>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::tuningCaptureStartSendMessage(int duration)
-{
-	LL_DEBUGS("Voice") << "sending CaptureAudioStart" << LL_ENDL;
-	
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.CaptureAudioStart.1\">"
-    << "<Duration>" << duration << "</Duration>"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-}
-
-void LLVoiceClient::tuningCaptureStopSendMessage()
-{
-	LL_DEBUGS("Voice") << "sending CaptureAudioStop" << LL_ENDL;
-	
-	std::ostringstream stream;
-	stream
-	<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.CaptureAudioStop.1\">"
-	<< "</Request>\n\n\n";
-	
-	writeString(stream.str());
-
-	mTuningEnergy = 0.0f;
-}
-
-void LLVoiceClient::tuningSetMicVolume(float volume)
-{
-	int scaled_volume = scale_mic_volume(volume);
-
-	if(scaled_volume != mTuningMicVolume)
-	{
-		mTuningMicVolume = scaled_volume;
-		mTuningMicVolumeDirty = true;
-	}
-}
-
-void LLVoiceClient::tuningSetSpeakerVolume(float volume)
-{
-	int scaled_volume = scale_speaker_volume(volume);	
-
-	if(scaled_volume != mTuningSpeakerVolume)
+	if (mVoiceModule) 
 	{
-		mTuningSpeakerVolume = scaled_volume;
-		mTuningSpeakerVolumeDirty = true;
-	}
-}
-				
-float LLVoiceClient::tuningGetEnergy(void)
-{
-	return mTuningEnergy;
-}
-
-bool LLVoiceClient::deviceSettingsAvailable()
-{
-	bool result = true;
-	
-	if(!mConnected)
-		result = false;
-	
-	if(mRenderDevices.empty())
-		result = false;
-	
-	return result;
-}
-
-void LLVoiceClient::refreshDeviceLists(bool clearCurrentList)
-{
-	if(clearCurrentList)
-	{
-		clearCaptureDevices();
-		clearRenderDevices();
-	}
-	getCaptureDevicesSendMessage();
-	getRenderDevicesSendMessage();
-}
-
-void LLVoiceClient::daemonDied()
-{
-	// The daemon died, so the connection is gone.  Reset everything and start over.
-	LL_WARNS("Voice") << "Connection to vivox daemon lost.  Resetting state."<< LL_ENDL;
-
-	// Try to relaunch the daemon
-	setState(stateDisableCleanup);
-}
-
-void LLVoiceClient::giveUp()
-{
-	// All has failed.  Clean up and stop trying.
-	closeSocket();
-	deleteAllSessions();
-	deleteAllBuddies();
-	
-	setState(stateJail);
-}
-
-static void oldSDKTransform (LLVector3 &left, LLVector3 &up, LLVector3 &at, LLVector3d &pos, LLVector3 &vel)
-{
-	F32 nat[3], nup[3], nl[3], nvel[3]; // the new at, up, left vectors and the  new position and velocity
-	F64 npos[3];
-	
-	// The original XML command was sent like this:
-	/*
-			<< "<Position>"
-				<< "<X>" << pos[VX] << "</X>"
-				<< "<Y>" << pos[VZ] << "</Y>"
-				<< "<Z>" << pos[VY] << "</Z>"
-			<< "</Position>"
-			<< "<Velocity>"
-				<< "<X>" << mAvatarVelocity[VX] << "</X>"
-				<< "<Y>" << mAvatarVelocity[VZ] << "</Y>"
-				<< "<Z>" << mAvatarVelocity[VY] << "</Z>"
-			<< "</Velocity>"
-			<< "<AtOrientation>"
-				<< "<X>" << l.mV[VX] << "</X>"
-				<< "<Y>" << u.mV[VX] << "</Y>"
-				<< "<Z>" << a.mV[VX] << "</Z>"
-			<< "</AtOrientation>"
-			<< "<UpOrientation>"
-				<< "<X>" << l.mV[VZ] << "</X>"
-				<< "<Y>" << u.mV[VY] << "</Y>"
-				<< "<Z>" << a.mV[VZ] << "</Z>"
-			<< "</UpOrientation>"
-			<< "<LeftOrientation>"
-				<< "<X>" << l.mV [VY] << "</X>"
-				<< "<Y>" << u.mV [VZ] << "</Y>"
-				<< "<Z>" << a.mV [VY] << "</Z>"
-			<< "</LeftOrientation>";
-	*/
-
-#if 1
-	// This was the original transform done when building the XML command
-	nat[0] = left.mV[VX];
-	nat[1] = up.mV[VX];
-	nat[2] = at.mV[VX];
-
-	nup[0] = left.mV[VZ];
-	nup[1] = up.mV[VY];
-	nup[2] = at.mV[VZ];
-
-	nl[0] = left.mV[VY];
-	nl[1] = up.mV[VZ];
-	nl[2] = at.mV[VY];
-
-	npos[0] = pos.mdV[VX];
-	npos[1] = pos.mdV[VZ];
-	npos[2] = pos.mdV[VY];
-
-	nvel[0] = vel.mV[VX];
-	nvel[1] = vel.mV[VZ];
-	nvel[2] = vel.mV[VY];
-
-	for(int i=0;i<3;++i) {
-		at.mV[i] = nat[i];
-		up.mV[i] = nup[i];
-		left.mV[i] = nl[i];
-		pos.mdV[i] = npos[i];
+		return mVoiceModule->inTuningMode();
 	}
-	
-	// This was the original transform done in the SDK
-	nat[0] = at.mV[2];
-	nat[1] = 0; // y component of at vector is always 0, this was up[2]
-	nat[2] = -1 * left.mV[2];
-
-	// We override whatever the application gives us
-	nup[0] = 0; // x component of up vector is always 0
-	nup[1] = 1; // y component of up vector is always 1
-	nup[2] = 0; // z component of up vector is always 0
-
-	nl[0] = at.mV[0];
-	nl[1] = 0;  // y component of left vector is always zero, this was up[0]
-	nl[2] = -1 * left.mV[0];
-
-	npos[2] = pos.mdV[2] * -1.0;
-	npos[1] = pos.mdV[1];
-	npos[0] = pos.mdV[0];
-
-	for(int i=0;i<3;++i) {
-		at.mV[i] = nat[i];
-		up.mV[i] = nup[i];
-		left.mV[i] = nl[i];
-		pos.mdV[i] = npos[i];
-	}
-#else
-	// This is the compose of the two transforms (at least, that's what I'm trying for)
-	nat[0] = at.mV[VX];
-	nat[1] = 0; // y component of at vector is always 0, this was up[2]
-	nat[2] = -1 * up.mV[VZ];
-
-	// We override whatever the application gives us
-	nup[0] = 0; // x component of up vector is always 0
-	nup[1] = 1; // y component of up vector is always 1
-	nup[2] = 0; // z component of up vector is always 0
-
-	nl[0] = left.mV[VX];
-	nl[1] = 0;  // y component of left vector is always zero, this was up[0]
-	nl[2] = -1 * left.mV[VY];
-
-	npos[0] = pos.mdV[VX];
-	npos[1] = pos.mdV[VZ];
-	npos[2] = pos.mdV[VY] * -1.0;
-
-	nvel[0] = vel.mV[VX];
-	nvel[1] = vel.mV[VZ];
-	nvel[2] = vel.mV[VY];
-
-	for(int i=0;i<3;++i) {
-		at.mV[i] = nat[i];
-		up.mV[i] = nup[i];
-		left.mV[i] = nl[i];
-		pos.mdV[i] = npos[i];
-	}
-	
-#endif
-}
-
-void LLVoiceClient::sendPositionalUpdate(void)
-{	
-	std::ostringstream stream;
-	
-	if(mSpatialCoordsDirty)
-	{
-		LLVector3 l, u, a, vel;
-		LLVector3d pos;
-
-		mSpatialCoordsDirty = false;
-		
-		// Always send both speaker and listener positions together.
-		stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.Set3DPosition.1\">"		
-			<< "<SessionHandle>" << getAudioSessionHandle() << "</SessionHandle>";
-		
-		stream << "<SpeakerPosition>";
-
-//		LL_DEBUGS("Voice") << "Sending speaker position " << mAvatarPosition << LL_ENDL;
-		l = mAvatarRot.getLeftRow();
-		u = mAvatarRot.getUpRow();
-		a = mAvatarRot.getFwdRow();
-		pos = mAvatarPosition;
-		vel = mAvatarVelocity;
-
-		// SLIM SDK: the old SDK was doing a transform on the passed coordinates that the new one doesn't do anymore.
-		// The old transform is replicated by this function.
-		oldSDKTransform(l, u, a, pos, vel);
-		
-		stream 
-			<< "<Position>"
-				<< "<X>" << pos.mdV[VX] << "</X>"
-				<< "<Y>" << pos.mdV[VY] << "</Y>"
-				<< "<Z>" << pos.mdV[VZ] << "</Z>"
-			<< "</Position>"
-			<< "<Velocity>"
-				<< "<X>" << vel.mV[VX] << "</X>"
-				<< "<Y>" << vel.mV[VY] << "</Y>"
-				<< "<Z>" << vel.mV[VZ] << "</Z>"
-			<< "</Velocity>"
-			<< "<AtOrientation>"
-				<< "<X>" << a.mV[VX] << "</X>"
-				<< "<Y>" << a.mV[VY] << "</Y>"
-				<< "<Z>" << a.mV[VZ] << "</Z>"
-			<< "</AtOrientation>"
-			<< "<UpOrientation>"
-				<< "<X>" << u.mV[VX] << "</X>"
-				<< "<Y>" << u.mV[VY] << "</Y>"
-				<< "<Z>" << u.mV[VZ] << "</Z>"
-			<< "</UpOrientation>"
-			<< "<LeftOrientation>"
-				<< "<X>" << l.mV [VX] << "</X>"
-				<< "<Y>" << l.mV [VY] << "</Y>"
-				<< "<Z>" << l.mV [VZ] << "</Z>"
-			<< "</LeftOrientation>";
-
-		stream << "</SpeakerPosition>";
-
-		stream << "<ListenerPosition>";
-
-		LLVector3d	earPosition;
-		LLVector3	earVelocity;
-		LLMatrix3	earRot;
-		
-		switch(mEarLocation)
-		{
-			case earLocCamera:
-			default:
-				earPosition = mCameraPosition;
-				earVelocity = mCameraVelocity;
-				earRot = mCameraRot;
-			break;
-			
-			case earLocAvatar:
-				earPosition = mAvatarPosition;
-				earVelocity = mAvatarVelocity;
-				earRot = mAvatarRot;
-			break;
-			
-			case earLocMixed:
-				earPosition = mAvatarPosition;
-				earVelocity = mAvatarVelocity;
-				earRot = mCameraRot;
-			break;
-		}
-
-		l = earRot.getLeftRow();
-		u = earRot.getUpRow();
-		a = earRot.getFwdRow();
-		pos = earPosition;
-		vel = earVelocity;
-
-//		LL_DEBUGS("Voice") << "Sending listener position " << earPosition << LL_ENDL;
-		
-		oldSDKTransform(l, u, a, pos, vel);
-		
-		stream 
-			<< "<Position>"
-				<< "<X>" << pos.mdV[VX] << "</X>"
-				<< "<Y>" << pos.mdV[VY] << "</Y>"
-				<< "<Z>" << pos.mdV[VZ] << "</Z>"
-			<< "</Position>"
-			<< "<Velocity>"
-				<< "<X>" << vel.mV[VX] << "</X>"
-				<< "<Y>" << vel.mV[VY] << "</Y>"
-				<< "<Z>" << vel.mV[VZ] << "</Z>"
-			<< "</Velocity>"
-			<< "<AtOrientation>"
-				<< "<X>" << a.mV[VX] << "</X>"
-				<< "<Y>" << a.mV[VY] << "</Y>"
-				<< "<Z>" << a.mV[VZ] << "</Z>"
-			<< "</AtOrientation>"
-			<< "<UpOrientation>"
-				<< "<X>" << u.mV[VX] << "</X>"
-				<< "<Y>" << u.mV[VY] << "</Y>"
-				<< "<Z>" << u.mV[VZ] << "</Z>"
-			<< "</UpOrientation>"
-			<< "<LeftOrientation>"
-				<< "<X>" << l.mV [VX] << "</X>"
-				<< "<Y>" << l.mV [VY] << "</Y>"
-				<< "<Z>" << l.mV [VZ] << "</Z>"
-			<< "</LeftOrientation>";
-
-
-		stream << "</ListenerPosition>";
-
-		stream << "</Request>\n\n\n";
-	}	
-	
-	if(mAudioSession && (mAudioSession->mVolumeDirty || mAudioSession->mMuteDirty))
-	{
-		participantMap::iterator iter = mAudioSession->mParticipantsByURI.begin();
-
-		mAudioSession->mVolumeDirty = false;
-		mAudioSession->mMuteDirty = false;
-		
-		for(; iter != mAudioSession->mParticipantsByURI.end(); iter++)
-		{
-			participantState *p = iter->second;
-
-			if(p->mVolumeDirty)
-			{
-				// Can't set volume/mute for yourself
-				if(!p->mIsSelf)
-				{
-					// scale from the range 0.0-1.0 to vivox volume in the range 0-100
-					S32 volume = llround(p->mVolume / VOLUME_SCALE_VIVOX);
-
-					bool mute = p->mOnMuteList;
-
-					if(mute)
-					{
-						// SetParticipantMuteForMe doesn't work in p2p sessions.
-						// If we want the user to be muted, set their volume to 0 as well.
-						// This isn't perfect, but it will at least reduce their volume to a minimum.
-						volume = 0;
-
-						// Mark the current volume level as set to prevent incoming events
-						// changing it to 0, so that we can return to it when unmuting.
-						p->mVolumeSet = true;
-					}
-
-					if(volume == 0)
-					{
-						mute = true;
-					}
-
-					LL_DEBUGS("Voice") << "Setting volume/mute for avatar " << p->mAvatarID << " to " << volume << (mute?"/true":"/false") << LL_ENDL;
-					
-					// SLIM SDK: Send both volume and mute commands.
-					
-					// Send a "volume for me" command for the user.
-					stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.SetParticipantVolumeForMe.1\">"
-						<< "<SessionHandle>" << getAudioSessionHandle() << "</SessionHandle>"
-						<< "<ParticipantURI>" << p->mURI << "</ParticipantURI>"
-						<< "<Volume>" << volume << "</Volume>"
-						<< "</Request>\n\n\n";
-
-					if(!mAudioSession->mIsP2P)
-					{
-						// Send a "mute for me" command for the user
-						// Doesn't work in P2P sessions
-						stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.SetParticipantMuteForMe.1\">"
-							<< "<SessionHandle>" << getAudioSessionHandle() << "</SessionHandle>"
-							<< "<ParticipantURI>" << p->mURI << "</ParticipantURI>"
-							<< "<Mute>" << (mute?"1":"0") << "</Mute>"
-							<< "<Scope>Audio</Scope>"
-							<< "</Request>\n\n\n";
-					}
-				}
-				
-				p->mVolumeDirty = false;
-			}
-		}
-	}
-			
-	buildLocalAudioUpdates(stream);
-	
-	if(!stream.str().empty())
-	{
-		writeString(stream.str());
-	}
-	
-	// Friends list updates can be huge, especially on the first voice login of an account with lots of friends.
-	// Batching them all together can choke SLVoice, so send them in separate writes.
-	sendFriendsListUpdates();
-}
-
-void LLVoiceClient::buildSetCaptureDevice(std::ostringstream &stream)
-{
-	if(mCaptureDeviceDirty)
+	else
 	{
-		LL_DEBUGS("Voice") << "Setting input device = \"" << mCaptureDevice << "\"" << LL_ENDL;
-	
-		stream 
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.SetCaptureDevice.1\">"
-			<< "<CaptureDeviceSpecifier>" << mCaptureDevice << "</CaptureDeviceSpecifier>"
-		<< "</Request>"
-		<< "\n\n\n";
-		
-		mCaptureDeviceDirty = false;
+		return false;
 	}
 }
 
-void LLVoiceClient::buildSetRenderDevice(std::ostringstream &stream)
+void LLVoiceClient::tuningSetMicVolume(float volume)
 {
-	if(mRenderDeviceDirty)
-	{
-		LL_DEBUGS("Voice") << "Setting output device = \"" << mRenderDevice << "\"" << LL_ENDL;
-
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Aux.SetRenderDevice.1\">"
-			<< "<RenderDeviceSpecifier>" << mRenderDevice << "</RenderDeviceSpecifier>"
-		<< "</Request>"
-		<< "\n\n\n";
-		mRenderDeviceDirty = false;
-	}
+	if (mVoiceModule) mVoiceModule->tuningSetMicVolume(volume);
 }
 
-void LLVoiceClient::buildLocalAudioUpdates(std::ostringstream &stream)
+void LLVoiceClient::tuningSetSpeakerVolume(float volume)
 {
-	buildSetCaptureDevice(stream);
-
-	buildSetRenderDevice(stream);
-
-	if(mPTTDirty)
-	{
-		mPTTDirty = false;
-
-		// Send a local mute command.
-		// NOTE that the state of "PTT" is the inverse of "local mute".
-		//   (i.e. when PTT is true, we send a mute command with "false", and vice versa)
-		
-		LL_DEBUGS("Voice") << "Sending MuteLocalMic command with parameter " << (mPTT?"false":"true") << LL_ENDL;
-
-		stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Connector.MuteLocalMic.1\">"
-			<< "<ConnectorHandle>" << mConnectorHandle << "</ConnectorHandle>"
-			<< "<Value>" << (mPTT?"false":"true") << "</Value>"
-			<< "</Request>\n\n\n";
-		
-	}
-
-	if(mSpeakerMuteDirty)
-	{
-		const char *muteval = ((mSpeakerVolume <= scale_speaker_volume(0))?"true":"false");
-
-		mSpeakerMuteDirty = false;
-
-		LL_INFOS("Voice") << "Setting speaker mute to " << muteval  << LL_ENDL;
-		
-		stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Connector.MuteLocalSpeaker.1\">"
-			<< "<ConnectorHandle>" << mConnectorHandle << "</ConnectorHandle>"
-			<< "<Value>" << muteval << "</Value>"
-			<< "</Request>\n\n\n";	
-		
-	}
-	
-	if(mSpeakerVolumeDirty)
-	{
-		mSpeakerVolumeDirty = false;
-
-		LL_INFOS("Voice") << "Setting speaker volume to " << mSpeakerVolume  << LL_ENDL;
-
-		stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Connector.SetLocalSpeakerVolume.1\">"
-			<< "<ConnectorHandle>" << mConnectorHandle << "</ConnectorHandle>"
-			<< "<Value>" << mSpeakerVolume << "</Value>"
-			<< "</Request>\n\n\n";
-			
-	}
-	
-	if(mMicVolumeDirty)
-	{
-		mMicVolumeDirty = false;
-
-		LL_INFOS("Voice") << "Setting mic volume to " << mMicVolume  << LL_ENDL;
-
-		stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Connector.SetLocalMicVolume.1\">"
-			<< "<ConnectorHandle>" << mConnectorHandle << "</ConnectorHandle>"
-			<< "<Value>" << mMicVolume << "</Value>"
-			<< "</Request>\n\n\n";				
-	}
-
-	
+	if (mVoiceModule) mVoiceModule->tuningSetSpeakerVolume(volume);
 }
 
-void LLVoiceClient::checkFriend(const LLUUID& id)
+float LLVoiceClient::tuningGetEnergy(void)
 {
-	std::string name;
-	buddyListEntry *buddy = findBuddy(id);
-
-	// Make sure we don't add a name before it's been looked up.
-	if(gCacheName->getFullName(id, name))
+	if (mVoiceModule) 
 	{
-
-		const LLRelationship* relationInfo = LLAvatarTracker::instance().getBuddyInfo(id);
-		bool canSeeMeOnline = false;
-		if(relationInfo && relationInfo->isRightGrantedTo(LLRelationship::GRANT_ONLINE_STATUS))
-			canSeeMeOnline = true;
-		
-		// When we get here, mNeedsSend is true and mInSLFriends is false.  Change them as necessary.
-		
-		if(buddy)
-		{
-			// This buddy is already in both lists.
-
-			if(name != buddy->mDisplayName)
-			{
-				// The buddy is in the list with the wrong name.  Update it with the correct name.
-				LL_WARNS("Voice") << "Buddy " << id << " has wrong name (\"" << buddy->mDisplayName << "\" should be \"" << name << "\"), updating."<< LL_ENDL;
-				buddy->mDisplayName = name;
-				buddy->mNeedsNameUpdate = true;		// This will cause the buddy to be resent.
-			}
-		}
-		else
-		{
-			// This buddy was not in the vivox list, needs to be added.
-			buddy = addBuddy(sipURIFromID(id), name);
-			buddy->mUUID = id;
-		}
-		
-		// In all the above cases, the buddy is in the SL friends list (which is how we got here).
-		buddy->mInSLFriends = true;
-		buddy->mCanSeeMeOnline = canSeeMeOnline;
-		buddy->mNameResolved = true;
-		
+		return mVoiceModule->tuningGetEnergy();
 	}
 	else
 	{
-		// This name hasn't been looked up yet.  Don't do anything with this buddy list entry until it has.
-		if(buddy)
-		{
-			buddy->mNameResolved = false;
-		}
-		
-		// Initiate a lookup.
-		// The "lookup completed" callback will ensure that the friends list is rechecked after it completes.
-		lookupName(id);
+		return 0.0;
 	}
 }
 
-void LLVoiceClient::clearAllLists()
-{
-	// FOR TESTING ONLY
-	
-	// This will send the necessary commands to delete ALL buddies, autoaccept rules, and block rules SLVoice tells us about.
-	buddyListMap::iterator buddy_it;
-	for(buddy_it = mBuddyListMap.begin(); buddy_it != mBuddyListMap.end();)
-	{
-		buddyListEntry *buddy = buddy_it->second;
-		buddy_it++;
-		
-		std::ostringstream stream;
 
-		if(buddy->mInVivoxBuddies)
-		{
-			// delete this entry from the vivox buddy list
-			buddy->mInVivoxBuddies = false;
-			LL_DEBUGS("Voice") << "delete " << buddy->mURI << " (" << buddy->mDisplayName << ")" << LL_ENDL;
-			stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.BuddyDelete.1\">"
-				<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-				<< "<BuddyURI>" << buddy->mURI << "</BuddyURI>"
-				<< "</Request>\n\n\n";		
-		}
+//------------------------------------------------
+// devices
 
-		if(buddy->mHasBlockListEntry)
-		{
-			// Delete the associated block list entry (so the block list doesn't fill up with junk)
-			buddy->mHasBlockListEntry = false;
-			stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.DeleteBlockRule.1\">"
-				<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-				<< "<BlockMask>" << buddy->mURI << "</BlockMask>"
-				<< "</Request>\n\n\n";								
-		}
-		if(buddy->mHasAutoAcceptListEntry)
-		{
-			// Delete the associated auto-accept list entry (so the auto-accept list doesn't fill up with junk)
-			buddy->mHasAutoAcceptListEntry = false;
-			stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.DeleteAutoAcceptRule.1\">"
-				<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-				<< "<AutoAcceptMask>" << buddy->mURI << "</AutoAcceptMask>"
-				<< "</Request>\n\n\n";
-		}
-
-		writeString(stream.str());
-
-	}
-}
-
-void LLVoiceClient::sendFriendsListUpdates()
+bool LLVoiceClient::deviceSettingsAvailable()
 {
-	if(mBuddyListMapPopulated && mBlockRulesListReceived && mAutoAcceptRulesListReceived && mFriendsListDirty)
+	if (mVoiceModule) 
 	{
-		mFriendsListDirty = false;
-		
-		if(0)
-		{
-			// FOR TESTING ONLY -- clear all buddy list, block list, and auto-accept list entries.
-			clearAllLists();
-			return;
-		}
-		
-		LL_INFOS("Voice") << "Checking vivox buddy list against friends list..." << LL_ENDL;
-		
-		buddyListMap::iterator buddy_it;
-		for(buddy_it = mBuddyListMap.begin(); buddy_it != mBuddyListMap.end(); buddy_it++)
-		{
-			// reset the temp flags in the local buddy list
-			buddy_it->second->mInSLFriends = false;
-		}
-		
-		// correlate with the friends list
-		{
-			LLCollectAllBuddies collect;
-			LLAvatarTracker::instance().applyFunctor(collect);
-			LLCollectAllBuddies::buddy_map_t::const_iterator it = collect.mOnline.begin();
-			LLCollectAllBuddies::buddy_map_t::const_iterator end = collect.mOnline.end();
-			
-			for ( ; it != end; ++it)
-			{
-				checkFriend(it->second);
-			}
-			it = collect.mOffline.begin();
-			end = collect.mOffline.end();
-			for ( ; it != end; ++it)
-			{
-				checkFriend(it->second);
-			}
-		}
-				
-		LL_INFOS("Voice") << "Sending friend list updates..." << LL_ENDL;
-
-		for(buddy_it = mBuddyListMap.begin(); buddy_it != mBuddyListMap.end();)
-		{
-			buddyListEntry *buddy = buddy_it->second;
-			buddy_it++;
-			
-			// Ignore entries that aren't resolved yet.
-			if(buddy->mNameResolved)
-			{
-				std::ostringstream stream;
-
-				if(buddy->mInSLFriends && (!buddy->mInVivoxBuddies || buddy->mNeedsNameUpdate))
-				{					
-					if(mNumberOfAliases > 0)
-					{
-						// Add (or update) this entry in the vivox buddy list
-						buddy->mInVivoxBuddies = true;
-						buddy->mNeedsNameUpdate = false;
-						LL_DEBUGS("Voice") << "add/update " << buddy->mURI << " (" << buddy->mDisplayName << ")" << LL_ENDL;
-						stream 
-							<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.BuddySet.1\">"
-								<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-								<< "<BuddyURI>" << buddy->mURI << "</BuddyURI>"
-								<< "<DisplayName>" << buddy->mDisplayName << "</DisplayName>"
-								<< "<BuddyData></BuddyData>"	// Without this, SLVoice doesn't seem to parse the command.
-								<< "<GroupID>0</GroupID>"
-							<< "</Request>\n\n\n";	
-					}
-				}
-				else if(!buddy->mInSLFriends)
-				{
-					// This entry no longer exists in your SL friends list.  Remove all traces of it from the Vivox buddy list.
- 					if(buddy->mInVivoxBuddies)
-					{
-						// delete this entry from the vivox buddy list
-						buddy->mInVivoxBuddies = false;
-						LL_DEBUGS("Voice") << "delete " << buddy->mURI << " (" << buddy->mDisplayName << ")" << LL_ENDL;
-						stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.BuddyDelete.1\">"
-							<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-							<< "<BuddyURI>" << buddy->mURI << "</BuddyURI>"
-							<< "</Request>\n\n\n";		
-					}
-
-					if(buddy->mHasBlockListEntry)
-					{
-						// Delete the associated block list entry, if any
-						buddy->mHasBlockListEntry = false;
-						stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.DeleteBlockRule.1\">"
-							<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-							<< "<BlockMask>" << buddy->mURI << "</BlockMask>"
-							<< "</Request>\n\n\n";								
-					}
-					if(buddy->mHasAutoAcceptListEntry)
-					{
-						// Delete the associated auto-accept list entry, if any
-						buddy->mHasAutoAcceptListEntry = false;
-						stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.DeleteAutoAcceptRule.1\">"
-							<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-							<< "<AutoAcceptMask>" << buddy->mURI << "</AutoAcceptMask>"
-							<< "</Request>\n\n\n";
-					}
-				}
-				
-				if(buddy->mInSLFriends)
-				{
-
-					if(buddy->mCanSeeMeOnline)
-					{
-						// Buddy should not be blocked.
-
-						// If this buddy doesn't already have either a block or autoaccept list entry, we'll update their status when we receive a SubscriptionEvent.
-						
-						// If the buddy has a block list entry, delete it.
-						if(buddy->mHasBlockListEntry)
-						{
-							buddy->mHasBlockListEntry = false;
-							stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.DeleteBlockRule.1\">"
-								<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-								<< "<BlockMask>" << buddy->mURI << "</BlockMask>"
-								<< "</Request>\n\n\n";		
-							
-							
-							// If we just deleted a block list entry, add an auto-accept entry.
-							if(!buddy->mHasAutoAcceptListEntry)
-							{
-								buddy->mHasAutoAcceptListEntry = true;								
-								stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.CreateAutoAcceptRule.1\">"
-									<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-									<< "<AutoAcceptMask>" << buddy->mURI << "</AutoAcceptMask>"
-									<< "<AutoAddAsBuddy>0</AutoAddAsBuddy>"
-									<< "</Request>\n\n\n";
-							}
-						}
-					}
-					else
-					{
-						// Buddy should be blocked.
-						
-						// If this buddy doesn't already have either a block or autoaccept list entry, we'll update their status when we receive a SubscriptionEvent.
-
-						// If this buddy has an autoaccept entry, delete it
-						if(buddy->mHasAutoAcceptListEntry)
-						{
-							buddy->mHasAutoAcceptListEntry = false;
-							stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.DeleteAutoAcceptRule.1\">"
-								<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-								<< "<AutoAcceptMask>" << buddy->mURI << "</AutoAcceptMask>"
-								<< "</Request>\n\n\n";
-						
-							// If we just deleted an auto-accept entry, add a block list entry.
-							if(!buddy->mHasBlockListEntry)
-							{
-								buddy->mHasBlockListEntry = true;
-								stream << "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.CreateBlockRule.1\">"
-									<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-									<< "<BlockMask>" << buddy->mURI << "</BlockMask>"
-									<< "<PresenceOnly>1</PresenceOnly>"
-									<< "</Request>\n\n\n";								
-							}
-						}
-					}
-
-					if(!buddy->mInSLFriends && !buddy->mInVivoxBuddies)
-					{
-						// Delete this entry from the local buddy list.  This should NOT invalidate the iterator,
-						// since it has already been incremented to the next entry.
-						deleteBuddy(buddy->mURI);
-					}
-
-				}
-				writeString(stream.str());
-			}
-		}
-	}
-}
-
-/////////////////////////////
-// Response/Event handlers
-
-void LLVoiceClient::connectorCreateResponse(int statusCode, std::string &statusString, std::string &connectorHandle, std::string &versionID)
-{	
-	if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "Connector.Create response failure: " << statusString << LL_ENDL;
-		setState(stateConnectorFailed);
+		return mVoiceModule->deviceSettingsAvailable();
 	}
 	else
 	{
-		// Connector created, move forward.
-		LL_INFOS("Voice") << "Connector.Create succeeded, Vivox SDK version is " << versionID << LL_ENDL;
-		mAPIVersion = versionID;
-		mConnectorHandle = connectorHandle;
-		if(getState() == stateConnectorStarting)
-		{
-			setState(stateConnectorStarted);
-		}
+		return false;
 	}
 }
 
-void LLVoiceClient::loginResponse(int statusCode, std::string &statusString, std::string &accountHandle, int numberOfAliases)
-{ 
-	LL_DEBUGS("Voice") << "Account.Login response (" << statusCode << "): " << statusString << LL_ENDL;
-	
-	// Status code of 20200 means "bad password".  We may want to special-case that at some point.
-	
-	if ( statusCode == 401 )
-	{
-		// Login failure which is probably caused by the delay after a user's password being updated.
-		LL_INFOS("Voice") << "Account.Login response failure (" << statusCode << "): " << statusString << LL_ENDL;
-		setState(stateLoginRetry);
-	}
-	else if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "Account.Login response failure (" << statusCode << "): " << statusString << LL_ENDL;
-		setState(stateLoginFailed);
-	}
-	else
-	{
-		// Login succeeded, move forward.
-		mAccountHandle = accountHandle;
-		mNumberOfAliases = numberOfAliases;
-		// This needs to wait until the AccountLoginStateChangeEvent is received.
-//		if(getState() == stateLoggingIn)
-//		{
-//			setState(stateLoggedIn);
-//		}
-	}
-}
-
-void LLVoiceClient::sessionCreateResponse(std::string &requestId, int statusCode, std::string &statusString, std::string &sessionHandle)
-{	
-	sessionState *session = findSessionBeingCreatedByURI(requestId);
-	
-	if(session)
-	{
-		session->mCreateInProgress = false;
-	}
-	
-	if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "Session.Create response failure (" << statusCode << "): " << statusString << LL_ENDL;
-		if(session)
-		{
-			session->mErrorStatusCode = statusCode;		
-			session->mErrorStatusString = statusString;
-			if(session == mAudioSession)
-			{
-				setState(stateJoinSessionFailed);
-			}
-			else
-			{
-				reapSession(session);
-			}
-		}
-	}
-	else
-	{
-		LL_INFOS("Voice") << "Session.Create response received (success), session handle is " << sessionHandle << LL_ENDL;
-		if(session)
-		{
-			setSessionHandle(session, sessionHandle);
-		}
-	}
-}
-
-void LLVoiceClient::sessionGroupAddSessionResponse(std::string &requestId, int statusCode, std::string &statusString, std::string &sessionHandle)
-{	
-	sessionState *session = findSessionBeingCreatedByURI(requestId);
-	
-	if(session)
-	{
-		session->mCreateInProgress = false;
-	}
-	
-	if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "SessionGroup.AddSession response failure (" << statusCode << "): " << statusString << LL_ENDL;
-		if(session)
-		{
-			session->mErrorStatusCode = statusCode;		
-			session->mErrorStatusString = statusString;
-			if(session == mAudioSession)
-			{
-				setState(stateJoinSessionFailed);
-			}
-			else
-			{
-				reapSession(session);
-			}
-		}
-	}
-	else
-	{
-		LL_DEBUGS("Voice") << "SessionGroup.AddSession response received (success), session handle is " << sessionHandle << LL_ENDL;
-		if(session)
-		{
-			setSessionHandle(session, sessionHandle);
-		}
-	}
-}
-
-void LLVoiceClient::sessionConnectResponse(std::string &requestId, int statusCode, std::string &statusString)
+void LLVoiceClient::refreshDeviceLists(bool clearCurrentList)
 {
-	sessionState *session = findSession(requestId);
-	if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "Session.Connect response failure (" << statusCode << "): " << statusString << LL_ENDL;
-		if(session)
-		{
-			session->mMediaConnectInProgress = false;
-			session->mErrorStatusCode = statusCode;		
-			session->mErrorStatusString = statusString;
-			if(session == mAudioSession)
-				setState(stateJoinSessionFailed);
-		}
-	}
-	else
-	{
-		LL_DEBUGS("Voice") << "Session.Connect response received (success)" << LL_ENDL;
-	}
+	if (mVoiceModule) mVoiceModule->refreshDeviceLists(clearCurrentList);
 }
 
-void LLVoiceClient::logoutResponse(int statusCode, std::string &statusString)
-{	
-	if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "Account.Logout response failure: " << statusString << LL_ENDL;
-		// Should this ever fail?  do we care if it does?
-	}
-}
-
-void LLVoiceClient::connectorShutdownResponse(int statusCode, std::string &statusString)
+void LLVoiceClient::setCaptureDevice(const std::string& name)
 {
-	if(statusCode != 0)
-	{
-		LL_WARNS("Voice") << "Connector.InitiateShutdown response failure: " << statusString << LL_ENDL;
-		// Should this ever fail?  do we care if it does?
-	}
-	
-	mConnected = false;
+	if (mVoiceModule) mVoiceModule->setCaptureDevice(name);
 	
-	if(getState() == stateConnectorStopping)
-	{
-		setState(stateConnectorStopped);
-	}
 }
 
-void LLVoiceClient::sessionAddedEvent(
-		std::string &uriString, 
-		std::string &alias, 
-		std::string &sessionHandle, 
-		std::string &sessionGroupHandle, 
-		bool isChannel, 
-		bool incoming,
-		std::string &nameString,
-		std::string &applicationString)
+void LLVoiceClient::setRenderDevice(const std::string& name)
 {
-	sessionState *session = NULL;
-
-	LL_INFOS("Voice") << "session " << uriString << ", alias " << alias << ", name " << nameString << " handle " << sessionHandle << LL_ENDL;
-	
-	session = addSession(uriString, sessionHandle);
-	if(session)
-	{
-		session->mGroupHandle = sessionGroupHandle;
-		session->mIsChannel = isChannel;
-		session->mIncoming = incoming;
-		session->mAlias = alias;
-			
-		// Generate a caller UUID -- don't need to do this for channels
-		if(!session->mIsChannel)
-		{
-			if(IDFromName(session->mSIPURI, session->mCallerID))
-			{
-				// Normal URI(base64-encoded UUID) 
-			}
-			else if(!session->mAlias.empty() && IDFromName(session->mAlias, session->mCallerID))
-			{
-				// Wrong URI, but an alias is available.  Stash the incoming URI as an alternate
-				session->mAlternateSIPURI = session->mSIPURI;
-				
-				// and generate a proper URI from the ID.
-				setSessionURI(session, sipURIFromID(session->mCallerID));
-			}
-			else
-			{
-				LL_INFOS("Voice") << "Could not generate caller id from uri, using hash of uri " << session->mSIPURI << LL_ENDL;
-				setUUIDFromStringHash(session->mCallerID, session->mSIPURI);
-				session->mSynthesizedCallerID = true;
-				
-				// Can't look up the name in this case -- we have to extract it from the URI.
-				std::string namePortion = nameFromsipURI(session->mSIPURI);
-				if(namePortion.empty())
-				{
-					// Didn't seem to be a SIP URI, just use the whole provided name.
-					namePortion = nameString;
-				}
-				
-				// Some incoming names may be separated with an underscore instead of a space.  Fix this.
-				LLStringUtil::replaceChar(namePortion, '_', ' ');
-				
-				// Act like we just finished resolving the name (this stores it in all the right places)
-				avatarNameResolved(session->mCallerID, namePortion);
-			}
-		
-			LL_INFOS("Voice") << "caller ID: " << session->mCallerID << LL_ENDL;
-
-			if(!session->mSynthesizedCallerID)
-			{
-				// If we got here, we don't have a proper name.  Initiate a lookup.
-				lookupName(session->mCallerID);
-			}
-		}
-	}
+	if (mVoiceModule) mVoiceModule->setRenderDevice(name);	
 }
 
-void LLVoiceClient::sessionGroupAddedEvent(std::string &sessionGroupHandle)
+const LLVoiceDeviceList& LLVoiceClient::getCaptureDevices()
 {
-	LL_DEBUGS("Voice") << "handle " << sessionGroupHandle << LL_ENDL;
-	
-#if USE_SESSION_GROUPS
-	if(mMainSessionGroupHandle.empty())
+	static LLVoiceDeviceList nullCaptureDevices;
+	if (mVoiceModule) 
 	{
-		// This is the first (i.e. "main") session group.  Save its handle.
-		mMainSessionGroupHandle = sessionGroupHandle;
+		return mVoiceModule->getCaptureDevices();
 	}
 	else
 	{
-		LL_DEBUGS("Voice") << "Already had a session group handle " << mMainSessionGroupHandle << LL_ENDL;
-	}
-#endif
-}
-
-void LLVoiceClient::joinedAudioSession(sessionState *session)
-{
-	if(mAudioSession != session)
-	{
-		sessionState *oldSession = mAudioSession;
-
-		mAudioSession = session;
-		mAudioSessionChanged = true;
-
-		// The old session may now need to be deleted.
-		reapSession(oldSession);
-	}
-	
-	// This is the session we're joining.
-	if(getState() == stateJoiningSession)
-	{
-		setState(stateSessionJoined);
-		
-		// SLIM SDK: we don't always receive a participant state change for ourselves when joining a channel now.
-		// Add the current user as a participant here.
-		participantState *participant = session->addParticipant(sipURIFromName(mAccountName));
-		if(participant)
-		{
-			participant->mIsSelf = true;
-			lookupName(participant->mAvatarID);
-
-			LL_INFOS("Voice") << "added self as participant \"" << participant->mAccountName 
-					<< "\" (" << participant->mAvatarID << ")"<< LL_ENDL;
-		}
-		
-		if(!session->mIsChannel)
-		{
-			// this is a p2p session.  Make sure the other end is added as a participant.
-			participantState *participant = session->addParticipant(session->mSIPURI);
-			if(participant)
-			{
-				if(participant->mAvatarIDValid)
-				{
-					lookupName(participant->mAvatarID);
-				}
-				else if(!session->mName.empty())
-				{
-					participant->mDisplayName = session->mName;
-					avatarNameResolved(participant->mAvatarID, session->mName);
-				}
-				
-				// TODO: Question: Do we need to set up mAvatarID/mAvatarIDValid here?
-				LL_INFOS("Voice") << "added caller as participant \"" << participant->mAccountName 
-						<< "\" (" << participant->mAvatarID << ")"<< LL_ENDL;
-			}
-		}
+		return nullCaptureDevices;
 	}
 }
 
-void LLVoiceClient::sessionRemovedEvent(
-	std::string &sessionHandle, 
-	std::string &sessionGroupHandle)
-{
-	LL_INFOS("Voice") << "handle " << sessionHandle << LL_ENDL;
-	
-	sessionState *session = findSession(sessionHandle);
-	if(session)
-	{
-		leftAudioSession(session);
-
-		// This message invalidates the session's handle.  Set it to empty.
-		setSessionHandle(session);
-		
-		// This also means that the session's session group is now empty.
-		// Terminate the session group so it doesn't leak.
-		sessionGroupTerminateSendMessage(session);
-		
-		// Reset the media state (we now have no info)
-		session->mMediaStreamState = streamStateUnknown;
-		session->mTextStreamState = streamStateUnknown;
-		
-		// Conditionally delete the session
-		reapSession(session);
-	}
-	else
-	{
-		LL_WARNS("Voice") << "unknown session " << sessionHandle << " removed" << LL_ENDL;
-	}
-}
 
-void LLVoiceClient::reapSession(sessionState *session)
+const LLVoiceDeviceList& LLVoiceClient::getRenderDevices()
 {
-	if(session)
+	static LLVoiceDeviceList nullRenderDevices;	
+	if (mVoiceModule) 
 	{
-		if(!session->mHandle.empty())
-		{
-			LL_DEBUGS("Voice") << "NOT deleting session " << session->mSIPURI << " (non-null session handle)" << LL_ENDL;
-		}
-		else if(session->mCreateInProgress)
-		{
-			LL_DEBUGS("Voice") << "NOT deleting session " << session->mSIPURI << " (create in progress)" << LL_ENDL;
-		}
-		else if(session->mMediaConnectInProgress)
-		{
-			LL_DEBUGS("Voice") << "NOT deleting session " << session->mSIPURI << " (connect in progress)" << LL_ENDL;
-		}
-		else if(session == mAudioSession)
-		{
-			LL_DEBUGS("Voice") << "NOT deleting session " << session->mSIPURI << " (it's the current session)" << LL_ENDL;
-		}
-		else if(session == mNextAudioSession)
-		{
-			LL_DEBUGS("Voice") << "NOT deleting session " << session->mSIPURI << " (it's the next session)" << LL_ENDL;
-		}
-		else
-		{
-			// TODO: Question: Should we check for queued text messages here?
-			// We don't have a reason to keep tracking this session, so just delete it.
-			LL_DEBUGS("Voice") << "deleting session " << session->mSIPURI << LL_ENDL;
-			deleteSession(session);
-			session = NULL;
-		}	
+		return mVoiceModule->getRenderDevices();
 	}
 	else
 	{
-//		LL_DEBUGS("Voice") << "session is NULL" << LL_ENDL;
+		return nullRenderDevices;
 	}
 }
 
-// Returns true if the session seems to indicate we've moved to a region on a different voice server
-bool LLVoiceClient::sessionNeedsRelog(sessionState *session)
-{
-	bool result = false;
-	
-	if(session != NULL)
-	{
-		// Only make this check for spatial channels (so it won't happen for group or p2p calls)
-		if(session->mIsSpatial)
-		{
-			std::string::size_type atsign;
-			
-			atsign = session->mSIPURI.find("@");
-			
-			if(atsign != std::string::npos)
-			{
-				std::string urihost = session->mSIPURI.substr(atsign + 1);
-				if(stricmp(urihost.c_str(), mVoiceSIPURIHostName.c_str()))
-				{
-					// The hostname in this URI is different from what we expect.  This probably means we need to relog.
-					
-					// We could make a ProvisionVoiceAccountRequest and compare the result with the current values of
-					// mVoiceSIPURIHostName and mVoiceAccountServerURI to be really sure, but this is a pretty good indicator.
-					
-					result = true;
-				}
-			}
-		}
-	}
-	
-	return result;
-}
 
-void LLVoiceClient::leftAudioSession(
-	sessionState *session)
-{
-	if(mAudioSession == session)
-	{
-		switch(getState())
-		{
-			case stateJoiningSession:
-			case stateSessionJoined:
-			case stateRunning:
-			case stateLeavingSession:
-			case stateJoinSessionFailed:
-			case stateJoinSessionFailedWaiting:
-				// normal transition
-				LL_DEBUGS("Voice") << "left session " << session->mHandle << " in state " << state2string(getState()) << LL_ENDL;
-				setState(stateSessionTerminated);
-			break;
-			
-			case stateSessionTerminated:
-				// this will happen sometimes -- there are cases where we send the terminate and then go straight to this state.
-				LL_WARNS("Voice") << "left session " << session->mHandle << " in state " << state2string(getState()) << LL_ENDL;
-			break;
-			
-			default:
-				LL_WARNS("Voice") << "unexpected SessionStateChangeEvent (left session) in state " << state2string(getState()) << LL_ENDL;
-				setState(stateSessionTerminated);
-			break;
-		}
-	}
-}
+//--------------------------------------------------
+// participants
 
-void LLVoiceClient::accountLoginStateChangeEvent(
-		std::string &accountHandle, 
-		int statusCode, 
-		std::string &statusString, 
-		int state)
+void LLVoiceClient::getParticipantList(std::set<LLUUID> &participants)
 {
-	LL_DEBUGS("Voice") << "state is " << state << LL_ENDL;
-	/*
-		According to Mike S., status codes for this event are:
-		login_state_logged_out=0,
-        login_state_logged_in = 1,
-        login_state_logging_in = 2,
-        login_state_logging_out = 3,
-        login_state_resetting = 4,
-        login_state_error=100	
-	*/
-	
-	switch(state)
+	if (mVoiceModule) 
 	{
-		case 1:
-		if(getState() == stateLoggingIn)
-		{
-			setState(stateLoggedIn);
-		}
-		break;
-
-		case 3:
-			// The user is in the process of logging out.
-			setState(stateLoggingOut);
-		break;
-
-		case 0:
-			// The user has been logged out.  
-			setState(stateLoggedOut);
-		break;
-		
-		default:
-			//Used to be a commented out warning
-			LL_DEBUGS("Voice") << "unknown state: " << state << LL_ENDL;
-		break;
-	}
-}
-
-void LLVoiceClient::mediaStreamUpdatedEvent(
-	std::string &sessionHandle, 
-	std::string &sessionGroupHandle, 
-	int statusCode, 
-	std::string &statusString, 
-	int state, 
-	bool incoming)
-{
-	sessionState *session = findSession(sessionHandle);
-	
-	LL_DEBUGS("Voice") << "session " << sessionHandle << ", status code " << statusCode << ", string \"" << statusString << "\"" << LL_ENDL;
-	
-	if(session)
-	{
-		// We know about this session
-		
-		// Save the state for later use
-		session->mMediaStreamState = state;
-		
-		switch(statusCode)
-		{
-			case 0:
-			case 200:
-				// generic success
-				// Don't change the saved error code (it may have been set elsewhere)
-			break;
-			default:
-				// save the status code for later
-				session->mErrorStatusCode = statusCode;
-			break;
-		}
-		
-		switch(state)
-		{
-			case streamStateIdle:
-				// Standard "left audio session"
-				session->mVoiceEnabled = false;
-				session->mMediaConnectInProgress = false;
-				leftAudioSession(session);
-			break;
-
-			case streamStateConnected:
-				session->mVoiceEnabled = true;
-				session->mMediaConnectInProgress = false;
-				joinedAudioSession(session);
-			break;
-			
-			case streamStateRinging:
-				if(incoming)
-				{
-					// Send the voice chat invite to the GUI layer
-					// *TODO: Question: Should we correlate with the mute list here?
-					session->mIMSessionID = LLIMMgr::computeSessionID(IM_SESSION_P2P_INVITE, session->mCallerID);
-					session->mVoiceInvitePending = true;
-					if(session->mName.empty())
-					{
-						lookupName(session->mCallerID);
-					}
-					else
-					{
-						// Act like we just finished resolving the name
-						avatarNameResolved(session->mCallerID, session->mName);
-					}
-				}
-			break;
-			
-			default:
-				LL_WARNS("Voice") << "unknown state " << state << LL_ENDL;
-			break;
-			
-		}
-		
+	  mVoiceModule->getParticipantList(participants);
 	}
 	else
 	{
-		LL_WARNS("Voice") << "session " << sessionHandle << "not found"<< LL_ENDL;
+	  participants = std::set<LLUUID>();
 	}
 }
 
-void LLVoiceClient::textStreamUpdatedEvent(
-	std::string &sessionHandle, 
-	std::string &sessionGroupHandle, 
-	bool enabled,
-	int state, 
-	bool incoming)
+bool LLVoiceClient::isParticipant(const LLUUID &speaker_id)
 {
-	sessionState *session = findSession(sessionHandle);
-	
-	if(session)
-	{
-		// Save the state for later use
-		session->mTextStreamState = state;
-		
-		// We know about this session
-		switch(state)
-		{
-			case 0:	// We see this when the text stream closes
-				LL_DEBUGS("Voice") << "stream closed" << LL_ENDL;
-			break;
-			
-			case 1:	// We see this on an incoming call from the Connector
-				// Try to send any text messages queued for this session.
-				sendQueuedTextMessages(session);
-
-				// Send the text chat invite to the GUI layer
-				// TODO: Question: Should we correlate with the mute list here?
-				session->mTextInvitePending = true;
-				if(session->mName.empty())
-				{
-					lookupName(session->mCallerID);
-				}
-				else
-				{
-					// Act like we just finished resolving the name
-					avatarNameResolved(session->mCallerID, session->mName);
-				}
-			break;
-
-			default:
-				LL_WARNS("Voice") << "unknown state " << state << LL_ENDL;
-			break;
-			
-		}
-	}
+  if(mVoiceModule)
+    {
+      return mVoiceModule->isParticipant(speaker_id);
+    }
+  return false;
 }
 
-void LLVoiceClient::participantAddedEvent(
-		std::string &sessionHandle, 
-		std::string &sessionGroupHandle, 
-		std::string &uriString, 
-		std::string &alias, 
-		std::string &nameString, 
-		std::string &displayNameString, 
-		int participantType)
-{
-	sessionState *session = findSession(sessionHandle);
-	if(session)
-	{
-		participantState *participant = session->addParticipant(uriString);
-		if(participant)
-		{
-			participant->mAccountName = nameString;
-
-			LL_DEBUGS("Voice") << "added participant \"" << participant->mAccountName 
-					<< "\" (" << participant->mAvatarID << ")"<< LL_ENDL;
-
-			if(participant->mAvatarIDValid)
-			{
-				// Initiate a lookup
-				lookupName(participant->mAvatarID);
-			}
-			else
-			{
-				// If we don't have a valid avatar UUID, we need to fill in the display name to make the active speakers floater work.
-				std::string namePortion = nameFromsipURI(uriString);
-				if(namePortion.empty())
-				{
-					// Problem with the SIP URI, fall back to the display name
-					namePortion = displayNameString;
-				}
-				if(namePortion.empty())
-				{
-					// Problems with both of the above, fall back to the account name
-					namePortion = nameString;
-				}
-				
-				// Set the display name (which is a hint to the active speakers window not to do its own lookup)
-				participant->mDisplayName = namePortion;
-				avatarNameResolved(participant->mAvatarID, namePortion);
-			}
-		}
-	}
-}
 
-void LLVoiceClient::participantRemovedEvent(
-		std::string &sessionHandle, 
-		std::string &sessionGroupHandle, 
-		std::string &uriString, 
-		std::string &alias, 
-		std::string &nameString)
-{
-	sessionState *session = findSession(sessionHandle);
-	if(session)
-	{
-		participantState *participant = session->findParticipant(uriString);
-		if(participant)
-		{
-			session->removeParticipant(participant);
-		}
-		else
-		{
-			LL_DEBUGS("Voice") << "unknown participant " << uriString << LL_ENDL;
-		}
-	}
-	else
-	{
-		LL_DEBUGS("Voice") << "unknown session " << sessionHandle << LL_ENDL;
-	}
-}
+//--------------------------------------------------
+// text chat
 
 
-void LLVoiceClient::participantUpdatedEvent(
-		std::string &sessionHandle, 
-		std::string &sessionGroupHandle, 
-		std::string &uriString, 
-		std::string &alias, 
-		bool isModeratorMuted, 
-		bool isSpeaking, 
-		int volume, 
-		F32 energy)
+BOOL LLVoiceClient::isSessionTextIMPossible(const LLUUID& id)
 {
-	sessionState *session = findSession(sessionHandle);
-	if(session)
+	if (mVoiceModule) 
 	{
-		participantState *participant = session->findParticipant(uriString);
-		
-		if(participant)
-		{
-			participant->mIsSpeaking = isSpeaking;
-			participant->mIsModeratorMuted = isModeratorMuted;
-
-			// SLIM SDK: convert range: ensure that energy is set to zero if is_speaking is false
-			if (isSpeaking)
-			{
-				participant->mSpeakingTimeout.reset();
-				participant->mPower = energy;
-			}
-			else
-			{
-				participant->mPower = 0.0f;
-			}
-
-			// Ignore incoming volume level if it has been explicitly set, or there
-			//  is a volume or mute change pending.
-			if ( !participant->mVolumeSet && !participant->mVolumeDirty)
-			{
-				participant->mVolume = (F32)volume * VOLUME_SCALE_VIVOX;
-			}
-
-			// *HACK: mantipov: added while working on EXT-3544
-			/*
-			Sometimes LLVoiceClient::participantUpdatedEvent callback is called BEFORE 
-			LLViewerChatterBoxSessionAgentListUpdates::post() sometimes AFTER.
-			
-			participantUpdatedEvent updates voice participant state in particular participantState::mIsModeratorMuted
-			Originally we wanted to update session Speaker Manager to fire LLSpeakerVoiceModerationEvent to fix the EXT-3544 bug.
-			Calling of the LLSpeakerMgr::update() method was added into LLIMMgr::processAgentListUpdates.
-			
-			But in case participantUpdatedEvent() is called after LLViewerChatterBoxSessionAgentListUpdates::post()
-			voice participant mIsModeratorMuted is changed after speakers are updated in Speaker Manager
-			and event is not fired.
-
-			So, we have to call LLSpeakerMgr::update() here. In any case it is better than call it
-			in LLCallFloater::draw()
-			*/
-			LLVoiceChannel* voice_cnl = LLVoiceChannel::getCurrentVoiceChannel();
-
-			// ignore session ID of local chat
-			if (voice_cnl && voice_cnl->getSessionID().notNull())
-			{
-				LLSpeakerMgr* speaker_manager = LLIMModel::getInstance()->getSpeakerManager(voice_cnl->getSessionID());
-				if (speaker_manager)
-				{
-					speaker_manager->update(true);
-				}
-			}
-		}
-		else
-		{
-			LL_WARNS("Voice") << "unknown participant: " << uriString << LL_ENDL;
-		}
+		return mVoiceModule->isSessionTextIMPossible(id);
 	}
 	else
 	{
-		LL_INFOS("Voice") << "unknown session " << sessionHandle << LL_ENDL;
-	}
+		return FALSE;
+	}	
 }
 
-void LLVoiceClient::buddyPresenceEvent(
-		std::string &uriString, 
-		std::string &alias, 
-		std::string &statusString,
-		std::string &applicationString)
+BOOL LLVoiceClient::isSessionCallBackPossible(const LLUUID& id)
 {
-	buddyListEntry *buddy = findBuddy(uriString);
-	
-	if(buddy)
+	if (mVoiceModule) 
 	{
-		LL_DEBUGS("Voice") << "Presence event for " << buddy->mDisplayName << " status \"" << statusString << "\", application \"" << applicationString << "\""<< LL_ENDL;
-		LL_DEBUGS("Voice") << "before: mOnlineSL = " << (buddy->mOnlineSL?"true":"false") << ", mOnlineSLim = " << (buddy->mOnlineSLim?"true":"false") << LL_ENDL;
-
-		if(applicationString.empty())
-		{
-			// This presence event is from a client that doesn't set up the Application string.  Do things the old-skool way.
-			// NOTE: this will be needed to support people who aren't on the 3010-class SDK yet.
-
-			if ( stricmp("Unknown", statusString.c_str())== 0) 
-			{
-				// User went offline with a non-SLim-enabled viewer.
-				buddy->mOnlineSL = false;
-			}
-			else if ( stricmp("Online", statusString.c_str())== 0) 
-			{
-				// User came online with a non-SLim-enabled viewer.
-				buddy->mOnlineSL = true;
-			}
-			else
-			{
-				// If the user is online through SLim, their status will be "Online-slc", "Away", or something else.
-				// NOTE: we should never see this unless someone is running an OLD version of SLim -- the versions that should be in use now all set the application string.
-				buddy->mOnlineSLim = true;
-			} 
-		}
-		else if(applicationString.find("SecondLifeViewer") != std::string::npos)
-		{
-			// This presence event is from a viewer that sets the application string
-			if ( stricmp("Unknown", statusString.c_str())== 0) 
-			{
-				// Viewer says they're offline
-				buddy->mOnlineSL = false;
-			}
-			else
-			{
-				// Viewer says they're online
-				buddy->mOnlineSL = true;
-			}
-		}
-		else
-		{
-			// This presence event is from something which is NOT the SL viewer (assume it's SLim).
-			if ( stricmp("Unknown", statusString.c_str())== 0) 
-			{
-				// SLim says they're offline
-				buddy->mOnlineSLim = false;
-			}
-			else
-			{
-				// SLim says they're online
-				buddy->mOnlineSLim = true;
-			}
-		} 
-
-		LL_DEBUGS("Voice") << "after: mOnlineSL = " << (buddy->mOnlineSL?"true":"false") << ", mOnlineSLim = " << (buddy->mOnlineSLim?"true":"false") << LL_ENDL;
-		
-		// HACK -- increment the internal change serial number in the LLRelationship (without changing the actual status), so the UI notices the change.
-		LLAvatarTracker::instance().setBuddyOnline(buddy->mUUID,LLAvatarTracker::instance().isBuddyOnline(buddy->mUUID));
-
-		notifyFriendObservers();
+		return mVoiceModule->isSessionCallBackPossible(id);
 	}
 	else
 	{
-		LL_DEBUGS("Voice") << "Presence for unknown buddy " << uriString << LL_ENDL;
+		return FALSE;
 	}	
 }
 
-void LLVoiceClient::messageEvent(
-		std::string &sessionHandle, 
-		std::string &uriString, 
-		std::string &alias, 
-		std::string &messageHeader, 
-		std::string &messageBody,
-		std::string &applicationString)
-{
-	LL_DEBUGS("Voice") << "Message event, session " << sessionHandle << " from " << uriString << LL_ENDL;
-//	LL_DEBUGS("Voice") << "    header " << messageHeader << ", body: \n" << messageBody << LL_ENDL;
-	
-	if(messageHeader.find("text/html") != std::string::npos)
-	{
-		std::string message;
-
-		{
-			const std::string startMarker = "<body";
-			const std::string startMarker2 = ">";
-			const std::string endMarker = "</body>";
-			const std::string startSpan = "<span";
-			const std::string endSpan = "</span>";
-			std::string::size_type start;
-			std::string::size_type end;
-			
-			// Default to displaying the raw string, so the message gets through.
-			message = messageBody;
-
-			// Find the actual message text within the XML fragment
-			start = messageBody.find(startMarker);
-			start = messageBody.find(startMarker2, start);
-			end = messageBody.find(endMarker);
-
-			if(start != std::string::npos)
-			{
-				start += startMarker2.size();
-				
-				if(end != std::string::npos)
-					end -= start;
-					
-				message.assign(messageBody, start, end);
-			}
-			else 
-			{
-				// Didn't find a <body>, try looking for a <span> instead.
-				start = messageBody.find(startSpan);
-				start = messageBody.find(startMarker2, start);
-				end = messageBody.find(endSpan);
-				
-				if(start != std::string::npos)
-				{
-					start += startMarker2.size();
-					
-					if(end != std::string::npos)
-						end -= start;
-					
-					message.assign(messageBody, start, end);
-				}			
-			}
-		}	
-		
-//		LL_DEBUGS("Voice") << "    raw message = \n" << message << LL_ENDL;
-
-		// strip formatting tags
-		{
-			std::string::size_type start;
-			std::string::size_type end;
-			
-			while((start = message.find('<')) != std::string::npos)
-			{
-				if((end = message.find('>', start + 1)) != std::string::npos)
-				{
-					// Strip out the tag
-					message.erase(start, (end + 1) - start);
-				}
-				else
-				{
-					// Avoid an infinite loop
-					break;
-				}
-			}
-		}
-		
-		// Decode ampersand-escaped chars
-		{
-			std::string::size_type mark = 0;
-
-			// The text may contain text encoded with &lt;, &gt;, and &amp;
-			mark = 0;
-			while((mark = message.find("&lt;", mark)) != std::string::npos)
-			{
-				message.replace(mark, 4, "<");
-				mark += 1;
-			}
-			
-			mark = 0;
-			while((mark = message.find("&gt;", mark)) != std::string::npos)
-			{
-				message.replace(mark, 4, ">");
-				mark += 1;
-			}
-			
-			mark = 0;
-			while((mark = message.find("&amp;", mark)) != std::string::npos)
-			{
-				message.replace(mark, 5, "&");
-				mark += 1;
-			}
-		}
-		
-		// strip leading/trailing whitespace (since we always seem to get a couple newlines)
-		LLStringUtil::trim(message);
-		
-//		LL_DEBUGS("Voice") << "    stripped message = \n" << message << LL_ENDL;
-		
-		sessionState *session = findSession(sessionHandle);
-		if(session)
-		{
-			bool is_busy = gAgent.getBusy();
-			bool is_muted = LLMuteList::getInstance()->isMuted(session->mCallerID, session->mName, LLMute::flagTextChat);
-			bool is_linden = LLMuteList::getInstance()->isLinden(session->mName);
-			bool quiet_chat = false;
-			LLChat chat;
-
-			chat.mMuted = is_muted && !is_linden;
-			
-			if(!chat.mMuted)
-			{
-				chat.mFromID = session->mCallerID;
-				chat.mFromName = session->mName;
-				chat.mSourceType = CHAT_SOURCE_AGENT;
-
-				if(is_busy && !is_linden)
-				{
-					quiet_chat = true;
-					// TODO: Question: Return busy mode response here?  Or maybe when session is started instead?
-				}
-								
-				LL_DEBUGS("Voice") << "adding message, name " << session->mName << " session " << session->mIMSessionID << ", target " << session->mCallerID << LL_ENDL;
-				gIMMgr->addMessage(session->mIMSessionID,
-						session->mCallerID,
-						session->mName.c_str(),
-						message.c_str(),
-						LLStringUtil::null,		// default arg
-						IM_NOTHING_SPECIAL,		// default arg
-						0,						// default arg
-						LLUUID::null,			// default arg
-						LLVector3::zero,		// default arg
-						true);					// prepend name and make it a link to the user's profile
-			}
-		}		
-	}
-}
-
-void LLVoiceClient::sessionNotificationEvent(std::string &sessionHandle, std::string &uriString, std::string &notificationType)
+BOOL LLVoiceClient::sendTextMessage(const LLUUID& participant_id, const std::string& message)
 {
-	sessionState *session = findSession(sessionHandle);
-	
-	if(session)
+	if (mVoiceModule) 
 	{
-		participantState *participant = session->findParticipant(uriString);
-		if(participant)
-		{
-			if (!stricmp(notificationType.c_str(), "Typing"))
-			{
-				// Other end started typing
-				// TODO: The proper way to add a typing notification seems to be LLIMMgr::processIMTypingStart().
-				// It requires an LLIMInfo for the message, which we don't have here.
-			}
-			else if (!stricmp(notificationType.c_str(), "NotTyping"))
-			{
-				// Other end stopped typing
-				// TODO: The proper way to remove a typing notification seems to be LLIMMgr::processIMTypingStop().
-				// It requires an LLIMInfo for the message, which we don't have here.
-			}
-			else
-			{
-				LL_DEBUGS("Voice") << "Unknown notification type " << notificationType << "for participant " << uriString << " in session " << session->mSIPURI << LL_ENDL;
-			}
-		}
-		else
-		{
-			LL_DEBUGS("Voice") << "Unknown participant " << uriString << " in session " << session->mSIPURI << LL_ENDL;
-		}
+		return mVoiceModule->sendTextMessage(participant_id, message);
 	}
 	else
 	{
-		LL_DEBUGS("Voice") << "Unknown session handle " << sessionHandle << LL_ENDL;
-	}
-}
-
-void LLVoiceClient::subscriptionEvent(std::string &buddyURI, std::string &subscriptionHandle, std::string &alias, std::string &displayName, std::string &applicationString, std::string &subscriptionType)
-{
-	buddyListEntry *buddy = findBuddy(buddyURI);
-	
-	if(!buddy)
-	{
-		// Couldn't find buddy by URI, try converting the alias...
-		if(!alias.empty())
-		{
-			LLUUID id;
-			if(IDFromName(alias, id))
-			{
-				buddy = findBuddy(id);
-			}
-		}
-	}
-	
-	if(buddy)
-	{
-		std::ostringstream stream;
-		
-		if(buddy->mCanSeeMeOnline)
-		{
-			// Sending the response will create an auto-accept rule
-			buddy->mHasAutoAcceptListEntry = true;
-		}
-		else
-		{
-			// Sending the response will create a block rule
-			buddy->mHasBlockListEntry = true;
-		}
-		
-		if(buddy->mInSLFriends)
-		{
-			buddy->mInVivoxBuddies = true;
-		}
-		
-		stream
-			<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Account.SendSubscriptionReply.1\">"
-				<< "<AccountHandle>" << mAccountHandle << "</AccountHandle>"
-				<< "<BuddyURI>" << buddy->mURI << "</BuddyURI>"
-				<< "<RuleType>" << (buddy->mCanSeeMeOnline?"Allow":"Hide") << "</RuleType>"
-				<< "<AutoAccept>"<< (buddy->mInSLFriends?"1":"0")<< "</AutoAccept>"
-				<< "<SubscriptionHandle>" << subscriptionHandle << "</SubscriptionHandle>"
-			<< "</Request>"
-			<< "\n\n\n";
-			
-		writeString(stream.str());
-	}
-}
-
-void LLVoiceClient::auxAudioPropertiesEvent(F32 energy)
-{
-	LL_DEBUGS("Voice") << "got energy " << energy << LL_ENDL;
-	mTuningEnergy = energy;
-}
-
-void LLVoiceClient::buddyListChanged()
-{
-	// This is called after we receive a BuddyAndGroupListChangedEvent.
-	mBuddyListMapPopulated = true;
-	mFriendsListDirty = true;
-}
-
-void LLVoiceClient::muteListChanged()
-{
-	// The user's mute list has been updated.  Go through the current participant list and sync it with the mute list.
-	if(mAudioSession)
-	{
-		participantMap::iterator iter = mAudioSession->mParticipantsByURI.begin();
-		
-		for(; iter != mAudioSession->mParticipantsByURI.end(); iter++)
-		{
-			participantState *p = iter->second;
-			
-			// Check to see if this participant is on the mute list already
-			if(p->updateMuteState())
-				mAudioSession->mMuteDirty = true;
-		}
-	}
-}
-
-void LLVoiceClient::updateFriends(U32 mask)
-{
-	if(mask & (LLFriendObserver::ADD | LLFriendObserver::REMOVE | LLFriendObserver::POWERS))
-	{
-		// Just resend the whole friend list to the daemon
-		mFriendsListDirty = true;
-	}
-}
-
-/////////////////////////////
-// Managing list of participants
-LLVoiceClient::participantState::participantState(const std::string &uri) : 
-	 mURI(uri), 
-	 mPTT(false), 
-	 mIsSpeaking(false), 
-	 mIsModeratorMuted(false), 
-	 mLastSpokeTimestamp(0.f), 
-	 mPower(0.f), 
-	 mVolume(VOLUME_DEFAULT),
-	 mOnMuteList(false),
-	 mVolumeSet(false),
-	 mVolumeDirty(false),
-	 mAvatarIDValid(false),
-	 mIsSelf(false)
-{
-}
-
-LLVoiceClient::participantState *LLVoiceClient::sessionState::addParticipant(const std::string &uri)
-{
-	participantState *result = NULL;
-	bool useAlternateURI = false;
-	
-	// Note: this is mostly the body of LLVoiceClient::sessionState::findParticipant(), but since we need to know if it
-	// matched the alternate SIP URI (so we can add it properly), we need to reproduce it here.
-	{
-		participantMap::iterator iter = mParticipantsByURI.find(&uri);
-
-		if(iter == mParticipantsByURI.end())
-		{
-			if(!mAlternateSIPURI.empty() && (uri == mAlternateSIPURI))
-			{
-				// This is a p2p session (probably with the SLIM client) with an alternate URI for the other participant.
-				// Use mSIPURI instead, since it will be properly encoded.
-				iter = mParticipantsByURI.find(&(mSIPURI));
-				useAlternateURI = true;
-			}
-		}
-
-		if(iter != mParticipantsByURI.end())
-		{
-			result = iter->second;
-		}
-	}
-		
-	if(!result)
-	{
-		// participant isn't already in one list or the other.
-		result = new participantState(useAlternateURI?mSIPURI:uri);
-		mParticipantsByURI.insert(participantMap::value_type(&(result->mURI), result));
-		mParticipantsChanged = true;
-		
-		// Try to do a reverse transform on the URI to get the GUID back.
-		{
-			LLUUID id;
-			if(IDFromName(result->mURI, id))
-			{
-				result->mAvatarIDValid = true;
-				result->mAvatarID = id;
-			}
-			else
-			{
-				// Create a UUID by hashing the URI, but do NOT set mAvatarIDValid.
-				// This tells code in LLVoiceClient that the ID will not be in the name cache.
-				setUUIDFromStringHash(result->mAvatarID, uri);
-			}
-		}
-
-		if(result->updateMuteState())
-		{
-			mMuteDirty = true;
-		}
-
-		mParticipantsByUUID.insert(participantUUIDMap::value_type(&(result->mAvatarID), result));
-
-		if (LLSpeakerVolumeStorage::getInstance()->getSpeakerVolume(result->mAvatarID, result->mVolume))
-		{
-			result->mVolumeDirty = true;
-			mVolumeDirty = true;
-		}
-
-		LL_DEBUGS("Voice") << "participant \"" << result->mURI << "\" added." << LL_ENDL;
-	}
-	
-	return result;
-}
-
-bool LLVoiceClient::participantState::updateMuteState()
-{
-	bool result = false;
-	
-	bool isMuted = LLMuteList::getInstance()->isMuted(mAvatarID, LLMute::flagVoiceChat);
-	if(mOnMuteList != isMuted)
-	{
-		mOnMuteList = isMuted;
-		mVolumeDirty = true;
-		result = true;
-	}
-	return result;
-}
-
-bool LLVoiceClient::participantState::isAvatar()
-{
-	return mAvatarIDValid;
-}
-
-void LLVoiceClient::sessionState::removeParticipant(LLVoiceClient::participantState *participant)
-{
-	if(participant)
-	{
-		participantMap::iterator iter = mParticipantsByURI.find(&(participant->mURI));
-		participantUUIDMap::iterator iter2 = mParticipantsByUUID.find(&(participant->mAvatarID));
-		
-		LL_DEBUGS("Voice") << "participant \"" << participant->mURI <<  "\" (" << participant->mAvatarID << ") removed." << LL_ENDL;
-		
-		if(iter == mParticipantsByURI.end())
-		{
-			LL_ERRS("Voice") << "Internal error: participant " << participant->mURI << " not in URI map" << LL_ENDL;
-		}
-		else if(iter2 == mParticipantsByUUID.end())
-		{
-			LL_ERRS("Voice") << "Internal error: participant ID " << participant->mAvatarID << " not in UUID map" << LL_ENDL;
-		}
-		else if(iter->second != iter2->second)
-		{
-			LL_ERRS("Voice") << "Internal error: participant mismatch!" << LL_ENDL;
-		}
-		else
-		{
-			mParticipantsByURI.erase(iter);
-			mParticipantsByUUID.erase(iter2);
-			
-			delete participant;
-			mParticipantsChanged = true;
-		}
-	}
-}
-
-void LLVoiceClient::sessionState::removeAllParticipants()
-{
-	LL_DEBUGS("Voice") << "called" << LL_ENDL;
-
-	while(!mParticipantsByURI.empty())
-	{
-		removeParticipant(mParticipantsByURI.begin()->second);
-	}
-	
-	if(!mParticipantsByUUID.empty())
-	{
-		LL_ERRS("Voice") << "Internal error: empty URI map, non-empty UUID map" << LL_ENDL;
-	}
-}
-
-LLVoiceClient::participantMap *LLVoiceClient::getParticipantList(void)
-{
-	participantMap *result = NULL;
-	if(mAudioSession)
-	{
-		result = &(mAudioSession->mParticipantsByURI);
-	}
-	return result;
-}
-
-void LLVoiceClient::getParticipantsUUIDSet(std::set<LLUUID>& participant_uuids)
-{
-	if (NULL == mAudioSession) return;
-
-	participantUUIDMap::const_iterator it = mAudioSession->mParticipantsByUUID.begin(),
-		it_end = mAudioSession->mParticipantsByUUID.end();
-	for (; it != it_end; ++it)
-	{
-		participant_uuids.insert((*(*it).first));
-	}
-}
-
-LLVoiceClient::participantState *LLVoiceClient::sessionState::findParticipant(const std::string &uri)
-{
-	participantState *result = NULL;
-	
-	participantMap::iterator iter = mParticipantsByURI.find(&uri);
-
-	if(iter == mParticipantsByURI.end())
-	{
-		if(!mAlternateSIPURI.empty() && (uri == mAlternateSIPURI))
-		{
-			// This is a p2p session (probably with the SLIM client) with an alternate URI for the other participant.
-			// Look up the other URI
-			iter = mParticipantsByURI.find(&(mSIPURI));
-		}
-	}
-
-	if(iter != mParticipantsByURI.end())
-	{
-		result = iter->second;
-	}
-		
-	return result;
-}
-
-LLVoiceClient::participantState* LLVoiceClient::sessionState::findParticipantByID(const LLUUID& id)
-{
-	participantState * result = NULL;
-	participantUUIDMap::iterator iter = mParticipantsByUUID.find(&id);
-
-	if(iter != mParticipantsByUUID.end())
-	{
-		result = iter->second;
-	}
-
-	return result;
-}
-
-LLVoiceClient::participantState* LLVoiceClient::findParticipantByID(const LLUUID& id)
-{
-	participantState * result = NULL;
-	
-	if(mAudioSession)
-	{
-		result = mAudioSession->findParticipantByID(id);
-	}
-	
-	return result;
+		return FALSE;
+	}	
 }
 
-
-void LLVoiceClient::parcelChanged()
+void LLVoiceClient::endUserIMSession(const LLUUID& participant_id)
 {
-	if(getState() >= stateNoChannel)
-	{
-		// If the user is logged in, start a channel lookup.
-		LL_DEBUGS("Voice") << "sending ParcelVoiceInfoRequest (" << mCurrentRegionName << ", " << mCurrentParcelLocalID << ")" << LL_ENDL;
-
-		std::string url = gAgent.getRegion()->getCapability("ParcelVoiceInfoRequest");
-		LLSD data;
-		LLHTTPClient::post(
-			url,
-			data,
-			new LLVoiceClientCapResponder);
-	}
-	else
+	if (mVoiceModule) 
 	{
-		// The transition to stateNoChannel needs to kick this off again.
-		LL_INFOS("Voice") << "not logged in yet, deferring" << LL_ENDL;
+		mVoiceModule->endUserIMSession(participant_id);
 	}
 }
 
-void LLVoiceClient::switchChannel(
-	std::string uri,
-	bool spatial,
-	bool no_reconnect,
-	bool is_p2p,
-	std::string hash)
-{
-	bool needsSwitch = false;
-	
-	LL_DEBUGS("Voice") 
-		<< "called in state " << state2string(getState()) 
-		<< " with uri \"" << uri << "\"" 
-		<< (spatial?", spatial is true":", spatial is false")
-		<< LL_ENDL;
-	
-	switch(getState())
-	{
-		case stateJoinSessionFailed:
-		case stateJoinSessionFailedWaiting:
-		case stateNoChannel:
-			// Always switch to the new URI from these states.
-			needsSwitch = true;
-		break;
-
-		default:
-			if(mSessionTerminateRequested)
-			{
-				// If a terminate has been requested, we need to compare against where the URI we're already headed to.
-				if(mNextAudioSession)
-				{
-					if(mNextAudioSession->mSIPURI != uri)
-						needsSwitch = true;
-				}
-				else
-				{
-					// mNextAudioSession is null -- this probably means we're on our way back to spatial.
-					if(!uri.empty())
-					{
-						// We do want to process a switch in this case.
-						needsSwitch = true;
-					}
-				}
-			}
-			else
-			{
-				// Otherwise, compare against the URI we're in now.
-				if(mAudioSession)
-				{
-					if(mAudioSession->mSIPURI != uri)
-					{
-						needsSwitch = true;
-					}
-				}
-				else
-				{
-					if(!uri.empty())
-					{
-						// mAudioSession is null -- it's not clear what case would cause this.
-						// For now, log it as a warning and see if it ever crops up.
-						LL_WARNS("Voice") << "No current audio session." << LL_ENDL;
-					}
-				}
-			}
-		break;
-	}
-	
-	if(needsSwitch)
-	{
-		if(uri.empty())
-		{
-			// Leave any channel we may be in
-			LL_DEBUGS("Voice") << "leaving channel" << LL_ENDL;
-
-			sessionState *oldSession = mNextAudioSession;
-			mNextAudioSession = NULL;
-
-			// The old session may now need to be deleted.
-			reapSession(oldSession);
-
-			notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_VOICE_DISABLED);
-		}
-		else
-		{
-			LL_DEBUGS("Voice") << "switching to channel " << uri << LL_ENDL;
-
-			mNextAudioSession = addSession(uri);
-			mNextAudioSession->mHash = hash;
-			mNextAudioSession->mIsSpatial = spatial;
-			mNextAudioSession->mReconnect = !no_reconnect;
-			mNextAudioSession->mIsP2P = is_p2p;
-		}
-		
-		if(getState() <= stateNoChannel)
-		{
-			// We're already set up to join a channel, just needed to fill in the session URI
-		}
-		else
-		{
-			// State machine will come around and rejoin if uri/handle is not empty.
-			sessionTerminate();
-		}
-	}
-}
+//----------------------------------------------
+// channels
 
-void LLVoiceClient::joinSession(sessionState *session)
+bool LLVoiceClient::inProximalChannel()
 {
-	mNextAudioSession = session;
-	
-	if(getState() <= stateNoChannel)
+	if (mVoiceModule) 
 	{
-		// We're already set up to join a channel, just needed to fill in the session handle
+		return mVoiceModule->inProximalChannel();
 	}
 	else
 	{
-		// State machine will come around and rejoin if uri/handle is not empty.
-		sessionTerminate();
+		return false;
 	}
 }
 
@@ -5453,1884 +343,608 @@ void LLVoiceClient::setNonSpatialChannel(
 	const std::string &uri,
 	const std::string &credentials)
 {
-	switchChannel(uri, false, false, false, credentials);
+	if (mVoiceModule) mVoiceModule->setNonSpatialChannel(uri, credentials);
 }
 
 void LLVoiceClient::setSpatialChannel(
 	const std::string &uri,
 	const std::string &credentials)
 {
-	mSpatialSessionURI = uri;
-	mSpatialSessionCredentials = credentials;
-	mAreaVoiceDisabled = mSpatialSessionURI.empty();
-
-	LL_DEBUGS("Voice") << "got spatial channel uri: \"" << uri << "\"" << LL_ENDL;
-	
-	if((mAudioSession && !(mAudioSession->mIsSpatial)) || (mNextAudioSession && !(mNextAudioSession->mIsSpatial)))
-	{
-		// User is in a non-spatial chat or joining a non-spatial chat.  Don't switch channels.
-		LL_INFOS("Voice") << "in non-spatial chat, not switching channels" << LL_ENDL;
-	}
-	else
-	{
-		switchChannel(mSpatialSessionURI, true, false, false, mSpatialSessionCredentials);
-	}
+	if (mVoiceModule) mVoiceModule->setSpatialChannel(uri, credentials);
 }
 
-void LLVoiceClient::callUser(const LLUUID &uuid)
-{
-	std::string userURI = sipURIFromID(uuid);
-
-	switchChannel(userURI, false, true, true);
-}
-
-LLVoiceClient::sessionState* LLVoiceClient::startUserIMSession(const LLUUID &uuid)
+void LLVoiceClient::leaveNonSpatialChannel()
 {
-	// Figure out if a session with the user already exists
-	sessionState *session = findSession(uuid);
-	if(!session)
-	{
-		// No session with user, need to start one.
-		std::string uri = sipURIFromID(uuid);
-		session = addSession(uri);
-
-		llassert(session);
-		if (!session) return NULL;
-
-		session->mIsSpatial = false;
-		session->mReconnect = false;	
-		session->mIsP2P = true;
-		session->mCallerID = uuid;
-	}
-	
-	if(session->mHandle.empty())
-	{
-		// Session isn't active -- start it up.
-		sessionCreateSendMessage(session, false, true);
-	}
-	else
-	{	
-		// Session is already active -- start up text.
-		sessionTextConnectSendMessage(session);
-	}
-	
-	return session;
+	if (mVoiceModule) mVoiceModule->leaveNonSpatialChannel();
 }
 
-bool LLVoiceClient::sendTextMessage(const LLUUID& participant_id, const std::string& message)
+void LLVoiceClient::leaveChannel(void)
 {
-	bool result = false;
-
-	// Attempt to locate the indicated session
-	sessionState *session = startUserIMSession(participant_id);
-	if(session)
-	{
-		// found the session, attempt to send the message
-		session->mTextMsgQueue.push(message);
-		
-		// Try to send queued messages (will do nothing if the session is not open yet)
-		sendQueuedTextMessages(session);
-
-		// The message is queued, so we succeed.
-		result = true;
-	}	
-	else
-	{
-		LL_DEBUGS("Voice") << "Session not found for participant ID " << participant_id << LL_ENDL;
-	}
-	
-	return result;
+	if (mVoiceModule) mVoiceModule->leaveChannel();
 }
 
-void LLVoiceClient::sendQueuedTextMessages(sessionState *session)
+std::string LLVoiceClient::getCurrentChannel()
 {
-	if(session->mTextStreamState == 1)
+	if (mVoiceModule) 
 	{
-		if(!session->mTextMsgQueue.empty())
-		{
-			std::ostringstream stream;
-			
-			while(!session->mTextMsgQueue.empty())
-			{
-				std::string message = session->mTextMsgQueue.front();
-				session->mTextMsgQueue.pop();
-				stream
-				<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"Session.SendMessage.1\">"
-					<< "<SessionHandle>" << session->mHandle << "</SessionHandle>"
-					<< "<MessageHeader>text/HTML</MessageHeader>"
-					<< "<MessageBody>" << message << "</MessageBody>"
-				<< "</Request>"
-				<< "\n\n\n";
-			}		
-			writeString(stream.str());
-		}
+		return mVoiceModule->getCurrentChannel();
 	}
 	else
 	{
-		// Session isn't connected yet, defer until later.
+		return std::string();
 	}
 }
 
-void LLVoiceClient::endUserIMSession(const LLUUID &uuid)
-{
-	// Figure out if a session with the user exists
-	sessionState *session = findSession(uuid);
-	if(session)
-	{
-		// found the session
-		if(!session->mHandle.empty())
-		{
-			sessionTextDisconnectSendMessage(session);
-		}
-	}	
-	else
-	{
-		LL_DEBUGS("Voice") << "Session not found for participant ID " << uuid << LL_ENDL;
-	}
-}
-
-bool LLVoiceClient::answerInvite(std::string &sessionHandle)
-{
-	// this is only ever used to answer incoming p2p call invites.
-	
-	sessionState *session = findSession(sessionHandle);
-	if(session)
-	{
-		session->mIsSpatial = false;
-		session->mReconnect = false;	
-		session->mIsP2P = true;
 
-		joinSession(session);
-		return true;
-	}
-	
-	return false;
-}
+//---------------------------------------
+// invitations
 
-bool LLVoiceClient::isOnlineSIP(const LLUUID &id)
+void LLVoiceClient::callUser(const LLUUID &uuid)
 {
-	bool result = false;
-	buddyListEntry *buddy = findBuddy(id);
-	if(buddy)
-	{
-		result = buddy->mOnlineSLim;
-		LL_DEBUGS("Voice") << "Buddy " << buddy->mDisplayName << " is SIP " << (result?"online":"offline") << LL_ENDL;
-	}
-
-	if(!result)
-	{
-		// This user isn't on the buddy list or doesn't show online status through the buddy list, but could be a participant in an existing session if they initiated a text IM.
-		sessionState *session = findSession(id);
-		if(session && !session->mHandle.empty())
-		{
-			if((session->mTextStreamState != streamStateUnknown) || (session->mMediaStreamState > streamStateIdle))
-			{
-				LL_DEBUGS("Voice") << "Open session with " << id << " found, returning SIP online state" << LL_ENDL;
-				// we have a p2p text session open with this user, so by definition they're online.
-				result = true;
-			}
-		}
-	}
-	
-	return result;
+	if (mVoiceModule) mVoiceModule->callUser(uuid);
 }
 
-// Returns true if the indicated participant in the current audio session is really an SL avatar.
-// Currently this will be false only for PSTN callers into group chats, and PSTN p2p calls.
-bool LLVoiceClient::isParticipantAvatar(const LLUUID &id)
+bool LLVoiceClient::isValidChannel(std::string &session_handle)
 {
-	bool result = true; 
-	sessionState *session = findSession(id);
-	
-	if(session != NULL)
+	if (mVoiceModule) 
 	{
-		// this is a p2p session with the indicated caller, or the session with the specified UUID.
-		if(session->mSynthesizedCallerID)
-			result = false;
+		return mVoiceModule->isValidChannel(session_handle);
 	}
 	else
 	{
-		// Didn't find a matching session -- check the current audio session for a matching participant
-		if(mAudioSession != NULL)
-		{
-			participantState *participant = findParticipantByID(id);
-			if(participant != NULL)
-			{
-				result = participant->isAvatar();
-			}
-		}
+		return false;
 	}
-	
-	return result;
 }
 
-// Returns true if calling back the session URI after the session has closed is possible.
-// Currently this will be false only for PSTN P2P calls.		
-bool LLVoiceClient::isSessionCallBackPossible(const LLUUID &session_id)
+bool LLVoiceClient::answerInvite(std::string &channelHandle)
 {
-	bool result = true; 
-	sessionState *session = findSession(session_id);
-	
-	if(session != NULL)
-	{
-		result = session->isCallBackPossible();
-	}
-	
-	return result;
-}
-
-// Returns true if the session can accepte text IM's.
-// Currently this will be false only for PSTN P2P calls.
-bool LLVoiceClient::isSessionTextIMPossible(const LLUUID &session_id)
-{
-	bool result = true; 
-	sessionState *session = findSession(session_id);
-	
-	if(session != NULL)
+	if (mVoiceModule) 
 	{
-		result = session->isTextIMPossible();
+		return mVoiceModule->answerInvite(channelHandle);
 	}
-	
-	return result;
-}
-		
-
-void LLVoiceClient::declineInvite(std::string &sessionHandle)
-{
-	sessionState *session = findSession(sessionHandle);
-	if(session)
-	{
-		sessionMediaDisconnectSendMessage(session);
-	}
-}
-
-void LLVoiceClient::leaveNonSpatialChannel()
-{
-	LL_DEBUGS("Voice") 
-		<< "called in state " << state2string(getState()) 
-		<< LL_ENDL;
-	
-	// Make sure we don't rejoin the current session.	
-	sessionState *oldNextSession = mNextAudioSession;
-	mNextAudioSession = NULL;
-	
-	// Most likely this will still be the current session at this point, but check it anyway.
-	reapSession(oldNextSession);
-	
-	verifySessionState();
-	
-	sessionTerminate();
-}
-
-std::string LLVoiceClient::getCurrentChannel()
-{
-	std::string result;
-	
-	if((getState() == stateRunning) && !mSessionTerminateRequested)
-	{
-		result = getAudioSessionURI();
-	}
-	
-	return result;
-}
-
-bool LLVoiceClient::inProximalChannel()
-{
-	bool result = false;
-	
-	if((getState() == stateRunning) && !mSessionTerminateRequested)
-	{
-		result = inSpatialChannel();
-	}
-	
-	return result;
-}
-
-std::string LLVoiceClient::sipURIFromID(const LLUUID &id)
-{
-	std::string result;
-	result = "sip:";
-	result += nameFromID(id);
-	result += "@";
-	result += mVoiceSIPURIHostName;
-	
-	return result;
-}
-
-std::string LLVoiceClient::sipURIFromAvatar(LLVOAvatar *avatar)
-{
-	std::string result;
-	if(avatar)
-	{
-		result = "sip:";
-		result += nameFromID(avatar->getID());
-		result += "@";
-		result += mVoiceSIPURIHostName;
-	}
-	
-	return result;
-}
-
-std::string LLVoiceClient::nameFromAvatar(LLVOAvatar *avatar)
-{
-	std::string result;
-	if(avatar)
-	{
-		result = nameFromID(avatar->getID());
-	}	
-	return result;
-}
-
-std::string LLVoiceClient::nameFromID(const LLUUID &uuid)
-{
-	std::string result;
-	
-	if (uuid.isNull()) {
-		//VIVOX, the uuid emtpy look for the mURIString and return that instead.
-		//result.assign(uuid.mURIStringName);
-		LLStringUtil::replaceChar(result, '_', ' ');
-		return result;
-	}
-	// Prepending this apparently prevents conflicts with reserved names inside the vivox and diamondware code.
-	result = "x";
-	
-	// Base64 encode and replace the pieces of base64 that are less compatible 
-	// with e-mail local-parts.
-	// See RFC-4648 "Base 64 Encoding with URL and Filename Safe Alphabet"
-	result += LLBase64::encode(uuid.mData, UUID_BYTES);
-	LLStringUtil::replaceChar(result, '+', '-');
-	LLStringUtil::replaceChar(result, '/', '_');
-	
-	// If you need to transform a GUID to this form on the Mac OS X command line, this will do so:
-	// echo -n x && (echo e669132a-6c43-4ee1-a78d-6c82fff59f32 |xxd -r -p |openssl base64|tr '/+' '_-')
-	
-	// The reverse transform can be done with:
-	// echo 'x5mkTKmxDTuGnjWyC__WfMg==' |cut -b 2- -|tr '_-' '/+' |openssl base64 -d|xxd -p
-	
-	return result;
-}
-
-bool LLVoiceClient::IDFromName(const std::string inName, LLUUID &uuid)
-{
-	bool result = false;
-	
-	// SLIM SDK: The "name" may actually be a SIP URI such as: "sip:xFnPP04IpREWNkuw1cOXlhw==@bhr.vivox.com"
-	// If it is, convert to a bare name before doing the transform.
-	std::string name = nameFromsipURI(inName);
-	
-	// Doesn't look like a SIP URI, assume it's an actual name.
-	if(name.empty())
-		name = inName;
-
-	// This will only work if the name is of the proper form.
-	// As an example, the account name for Monroe Linden (UUID 1673cfd3-8229-4445-8d92-ec3570e5e587) is:
-	// "xFnPP04IpREWNkuw1cOXlhw=="
-	
-	if((name.size() == 25) && (name[0] == 'x') && (name[23] == '=') && (name[24] == '='))
-	{
-		// The name appears to have the right form.
-
-		// Reverse the transforms done by nameFromID
-		std::string temp = name;
-		LLStringUtil::replaceChar(temp, '-', '+');
-		LLStringUtil::replaceChar(temp, '_', '/');
-
-		U8 rawuuid[UUID_BYTES + 1]; 
-		int len = apr_base64_decode_binary(rawuuid, temp.c_str() + 1);
-		if(len == UUID_BYTES)
-		{
-			// The decode succeeded.  Stuff the bits into the result's UUID
-			memcpy(uuid.mData, rawuuid, UUID_BYTES);
-			result = true;
-		}
-	} 
-	
-	if(!result)
+	else
 	{
-		// VIVOX:  not a standard account name, just copy the URI name mURIString field
-		// and hope for the best.  bpj
-		uuid.setNull();  // VIVOX, set the uuid field to nulls
+		return false;
 	}
-	
-	return result;
 }
 
-std::string LLVoiceClient::displayNameFromAvatar(LLVOAvatar *avatar)
+void LLVoiceClient::declineInvite(std::string &channelHandle)
 {
-	return avatar->getFullname();
+	if (mVoiceModule) mVoiceModule->declineInvite(channelHandle);
 }
 
-std::string LLVoiceClient::sipURIFromName(std::string &name)
-{
-	std::string result;
-	result = "sip:";
-	result += name;
-	result += "@";
-	result += mVoiceSIPURIHostName;
 
-//	LLStringUtil::toLower(result);
+//------------------------------------------
+// Volume/gain
 
-	return result;
-}
 
-std::string LLVoiceClient::nameFromsipURI(const std::string &uri)
-{
-	std::string result;
-
-	std::string::size_type sipOffset, atOffset;
-	sipOffset = uri.find("sip:");
-	atOffset = uri.find("@");
-	if((sipOffset != std::string::npos) && (atOffset != std::string::npos))
-	{
-		result = uri.substr(sipOffset + 4, atOffset - (sipOffset + 4));
-	}
-	
-	return result;
-}
-
-bool LLVoiceClient::inSpatialChannel(void)
-{
-	bool result = false;
-	
-	if(mAudioSession)
-		result = mAudioSession->mIsSpatial;
-		
-	return result;
-}
-
-std::string LLVoiceClient::getAudioSessionURI()
+void LLVoiceClient::setVoiceVolume(F32 volume)
 {
-	std::string result;
-	
-	if(mAudioSession)
-		result = mAudioSession->mSIPURI;
-		
-	return result;
+	if (mVoiceModule) mVoiceModule->setVoiceVolume(volume);
 }
 
-std::string LLVoiceClient::getAudioSessionHandle()
+void LLVoiceClient::setMicGain(F32 volume)
 {
-	std::string result;
-	
-	if(mAudioSession)
-		result = mAudioSession->mHandle;
-		
-	return result;
+	if (mVoiceModule) mVoiceModule->setMicGain(volume);
 }
 
 
-/////////////////////////////
-// Sending updates of current state
+//------------------------------------------
+// enable/disable voice features
 
-void LLVoiceClient::enforceTether(void)
+bool LLVoiceClient::voiceEnabled()
 {
-	LLVector3d tethered	= mCameraRequestedPosition;
-
-	// constrain 'tethered' to within 50m of mAvatarPosition.
+	if (mVoiceModule) 
 	{
-		F32 max_dist = 50.0f;
-		LLVector3d camera_offset = mCameraRequestedPosition - mAvatarPosition;
-		F32 camera_distance = (F32)camera_offset.magVec();
-		if(camera_distance > max_dist)
-		{
-			tethered = mAvatarPosition + 
-				(max_dist / camera_distance) * camera_offset;
-		}
+		return mVoiceModule->voiceEnabled();
 	}
-	
-	if(dist_vec(mCameraPosition, tethered) > 0.1)
+	else
 	{
-		mCameraPosition = tethered;
-		mSpatialCoordsDirty = true;
+		return false;
 	}
 }
 
-void LLVoiceClient::updatePosition(void)
-{
-	if(gVoiceClient)
-	{
-		LLViewerRegion *region = gAgent.getRegion();
-		if(region && isAgentAvatarValid())
-		{
-			LLMatrix3 rot;
-			LLVector3d pos;
-
-			// TODO: If camera and avatar velocity are actually used by the voice system, we could compute them here...
-			// They're currently always set to zero.
-
-			// Send the current camera position to the voice code
-			rot.setRows(LLViewerCamera::getInstance()->getAtAxis(), LLViewerCamera::getInstance()->getLeftAxis (),  LLViewerCamera::getInstance()->getUpAxis());		
-			pos = gAgent.getRegion()->getPosGlobalFromRegion(LLViewerCamera::getInstance()->getOrigin());
-			
-			gVoiceClient->setCameraPosition(
-					pos,				// position
-					LLVector3::zero, 	// velocity
-					rot);				// rotation matrix
-					
-			// Send the current avatar position to the voice code
-			rot = gAgentAvatarp->getRootJoint()->getWorldRotation().getMatrix3();
-	
-			pos = gAgentAvatarp->getPositionGlobal();
-			// TODO: Can we get the head offset from outside the LLVOAvatar?
-//			pos += LLVector3d(mHeadOffset);
-			pos += LLVector3d(0.f, 0.f, 1.f);
-		
-			gVoiceClient->setAvatarPosition(
-					pos,				// position
-					LLVector3::zero, 	// velocity
-					rot);				// rotation matrix
-		}
-	}
-}
-
-void LLVoiceClient::setCameraPosition(const LLVector3d &position, const LLVector3 &velocity, const LLMatrix3 &rot)
+void LLVoiceClient::setVoiceEnabled(bool enabled)
 {
-	mCameraRequestedPosition = position;
-	
-	if(mCameraVelocity != velocity)
-	{
-		mCameraVelocity = velocity;
-		mSpatialCoordsDirty = true;
-	}
-	
-	if(mCameraRot != rot)
-	{
-		mCameraRot = rot;
-		mSpatialCoordsDirty = true;
-	}
+	if (mVoiceModule) mVoiceModule->setVoiceEnabled(enabled);
 }
 
-void LLVoiceClient::setAvatarPosition(const LLVector3d &position, const LLVector3 &velocity, const LLMatrix3 &rot)
+void LLVoiceClient::setLipSyncEnabled(BOOL enabled)
 {
-	if(dist_vec(mAvatarPosition, position) > 0.1)
-	{
-		mAvatarPosition = position;
-		mSpatialCoordsDirty = true;
-	}
-	
-	if(mAvatarVelocity != velocity)
-	{
-		mAvatarVelocity = velocity;
-		mSpatialCoordsDirty = true;
-	}
-	
-	if(mAvatarRot != rot)
-	{
-		mAvatarRot = rot;
-		mSpatialCoordsDirty = true;
-	}
+	if (mVoiceModule) mVoiceModule->setLipSyncEnabled(enabled);
 }
 
-bool LLVoiceClient::channelFromRegion(LLViewerRegion *region, std::string &name)
+BOOL LLVoiceClient::lipSyncEnabled()
 {
-	bool result = false;
-	
-	if(region)
+	if (mVoiceModule) 
 	{
-		name = region->getName();
+		return mVoiceModule->lipSyncEnabled();
 	}
-	
-	if(!name.empty())
-		result = true;
-	
-	return result;
-}
-
-void LLVoiceClient::leaveChannel(void)
-{
-	if(getState() == stateRunning)
+	else
 	{
-		LL_DEBUGS("Voice") << "leaving channel for teleport/logout" << LL_ENDL;
-		mChannelName.clear();
-		sessionTerminate();
+		return false;
 	}
 }
 
 void LLVoiceClient::setMuteMic(bool muted)
 {
-	mMuteMic = muted;
+	if (mVoiceModule) mVoiceModule->setMuteMic(muted);
 }
 
-bool LLVoiceClient::getMuteMic() const
-{
-	return mMuteMic;
-}
+
+// ----------------------------------------------
+// PTT
 
 void LLVoiceClient::setUserPTTState(bool ptt)
 {
-	mUserPTTState = ptt;
+	if (mVoiceModule) mVoiceModule->setUserPTTState(ptt);
 }
 
 bool LLVoiceClient::getUserPTTState()
 {
-	return mUserPTTState;
-}
-
-void LLVoiceClient::toggleUserPTTState(void)
-{
-	mUserPTTState = !mUserPTTState;
-}
-
-void LLVoiceClient::setVoiceEnabled(bool enabled)
-{
-	if (enabled != mVoiceEnabled)
-	{
-		mVoiceEnabled = enabled;
-		LLVoiceClientStatusObserver::EStatusType status;
-
-		if (enabled)
-		{
-			LLVoiceChannel::getCurrentVoiceChannel()->activate();
-			status = LLVoiceClientStatusObserver::STATUS_VOICE_ENABLED;
-		}
-		else
-		{
-			// Turning voice off looses your current channel -- this makes sure the UI isn't out of sync when you re-enable it.
-			LLVoiceChannel::getCurrentVoiceChannel()->deactivate();
-			status = LLVoiceClientStatusObserver::STATUS_VOICE_DISABLED;
-		}
-
-		notifyStatusObservers(status);
-	}
-}
-
-bool LLVoiceClient::voiceEnabled()
-{
-	return gSavedSettings.getBOOL("EnableVoiceChat") && !gSavedSettings.getBOOL("CmdLineDisableVoice");
-}
-
-//AD *TODO: investigate possible merge of voiceWorking() and voiceEnabled() into one non-static method
-bool LLVoiceClient::voiceWorking()
-{
-	//Added stateSessionTerminated state to avoid problems with call in parcels with disabled voice (EXT-4758)
-	// Condition with joining spatial num was added to take into account possible problems with connection to voice
-	// server(EXT-4313). See bug descriptions and comments for MAX_NORMAL_JOINING_SPATIAL_NUM for more info.
-	return (mSpatialJoiningNum < MAX_NORMAL_JOINING_SPATIAL_NUM) && (stateLoggedIn <= mState) && (mState <= stateSessionTerminated);
-}
-
-void LLVoiceClient::setLipSyncEnabled(BOOL enabled)
-{
-	mLipSyncEnabled = enabled;
-}
-
-BOOL LLVoiceClient::lipSyncEnabled()
-{
-	   
-	if ( mVoiceEnabled && stateDisabled != getState() )
+	if (mVoiceModule) 
 	{
-		return mLipSyncEnabled;
+		return mVoiceModule->getUserPTTState();
 	}
 	else
 	{
-		return FALSE;
+		return false;
 	}
 }
 
 void LLVoiceClient::setUsePTT(bool usePTT)
 {
-	if(usePTT && !mUsePTT)
-	{
-		// When the user turns on PTT, reset the current state.
-		mUserPTTState = false;
-	}
-	mUsePTT = usePTT;
+	if (mVoiceModule) mVoiceModule->setUsePTT(usePTT);
 }
 
 void LLVoiceClient::setPTTIsToggle(bool PTTIsToggle)
 {
-	if(!PTTIsToggle && mPTTIsToggle)
-	{
-		// When the user turns off toggle, reset the current state.
-		mUserPTTState = false;
-	}
-	
-	mPTTIsToggle = PTTIsToggle;
+	if (mVoiceModule) mVoiceModule->setPTTIsToggle(PTTIsToggle);
 }
 
 bool LLVoiceClient::getPTTIsToggle()
 {
-	return mPTTIsToggle;
-}
-
-void LLVoiceClient::setPTTKey(std::string &key)
-{
-	if(key == "MiddleMouse")
+	if (mVoiceModule) 
 	{
-		mPTTIsMiddleMouse = true;
+		return mVoiceModule->getPTTIsToggle();
 	}
-	else
-	{
-		mPTTIsMiddleMouse = false;
-		if(!LLKeyboard::keyFromString(key, &mPTTKey))
-		{
-			// If the call failed, don't match any key.
-			key = KEY_NONE;
-		}
+	else {
+		return false;
 	}
-}
 
-void LLVoiceClient::setEarLocation(S32 loc)
-{
-	if(mEarLocation != loc)
-	{
-		LL_DEBUGS("Voice") << "Setting mEarLocation to " << loc << LL_ENDL;
-		
-		mEarLocation = loc;
-		mSpatialCoordsDirty = true;
-	}
 }
 
-void LLVoiceClient::setVoiceVolume(F32 volume)
+void LLVoiceClient::inputUserControlState(bool down)
 {
-	int scaled_volume = scale_speaker_volume(volume);	
-
-	if(scaled_volume != mSpeakerVolume)
-	{
-		int min_volume = scale_speaker_volume(0);
-		if((scaled_volume == min_volume) || (mSpeakerVolume == min_volume))
-		{
-			mSpeakerMuteDirty = true;
-		}
-
-		mSpeakerVolume = scaled_volume;
-		mSpeakerVolumeDirty = true;
-	}
+	if (mVoiceModule) mVoiceModule->inputUserControlState(down);	
 }
 
-void LLVoiceClient::setMicGain(F32 volume)
+void LLVoiceClient::toggleUserPTTState(void)
 {
-	int scaled_volume = scale_mic_volume(volume);
-	
-	if(scaled_volume != mMicVolume)
-	{
-		mMicVolume = scaled_volume;
-		mMicVolumeDirty = true;
-	}
+	if (mVoiceModule) mVoiceModule->toggleUserPTTState();
 }
 
 void LLVoiceClient::keyDown(KEY key, MASK mask)
 {	
-	if (gKeyboard->getKeyRepeated(key))
-	{
-		// ignore auto-repeat keys
-		return;
-	}
-
-	if(!mPTTIsMiddleMouse)
-	{
-		bool down = (mPTTKey != KEY_NONE)
-			&& gKeyboard->getKeyDown(mPTTKey);
-		inputUserControlState(down);
-	}
+	if (mVoiceModule) mVoiceModule->keyDown(key, mask);
 }
 void LLVoiceClient::keyUp(KEY key, MASK mask)
 {
-	if(!mPTTIsMiddleMouse)
-	{
-		bool down = (mPTTKey != KEY_NONE)
-			&& gKeyboard->getKeyDown(mPTTKey);
-		inputUserControlState(down);
-	}
-}
-void LLVoiceClient::inputUserControlState(bool down)
-{
-	if(mPTTIsToggle)
-	{
-		if(down) // toggle open-mic state on 'down'
-		{
-			toggleUserPTTState();
-		}
-	}
-	else // set open-mic state as an absolute
-	{
-		setUserPTTState(down);
-	}
+	if (mVoiceModule) mVoiceModule->keyUp(key, mask);
 }
 void LLVoiceClient::middleMouseState(bool down)
 {
-	if(mPTTIsMiddleMouse)
-	{
-		inputUserControlState(down);
-	}
+	if (mVoiceModule) mVoiceModule->middleMouseState(down);
 }
 
-/////////////////////////////
-// Accessors for data related to nearby speakers
+
+//-------------------------------------------
+// nearby speaker accessors
+
 BOOL LLVoiceClient::getVoiceEnabled(const LLUUID& id)
 {
-	BOOL result = FALSE;
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	if (mVoiceModule) 
 	{
-		// I'm not sure what the semantics of this should be.
-		// For now, if we have any data about the user that came through the chat channel, assume they're voice-enabled.
-		result = TRUE;
-	}
-	
-	return result;
-}
-
-BOOL LLVoiceClient::getIsSpeaking(const LLUUID& id)
-{
-	BOOL result = FALSE;
-
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+		return mVoiceModule->getVoiceEnabled(id);
+	} 
+	else
 	{
-		if (participant->mSpeakingTimeout.getElapsedTimeF32() > SPEAKING_TIMEOUT)
-		{
-			participant->mIsSpeaking = FALSE;
-		}
-		result = participant->mIsSpeaking;
+		return FALSE;
 	}
-	
-	return result;
 }
 
-BOOL LLVoiceClient::getIsModeratorMuted(const LLUUID& id)
+std::string LLVoiceClient::getDisplayName(const LLUUID& id)
 {
-	BOOL result = FALSE;
-
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	if (mVoiceModule) 
 	{
-		result = participant->mIsModeratorMuted;
+		return mVoiceModule->getDisplayName(id);
 	}
-	
-	return result;
-}
-
-F32 LLVoiceClient::getCurrentPower(const LLUUID& id)
-{		
-	F32 result = 0;
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	else
 	{
-		result = participant->mPower;
+	  return std::string();
 	}
-	
-	return result;
 }
 
-
-std::string LLVoiceClient::getDisplayName(const LLUUID& id)
+bool LLVoiceClient::isVoiceWorking()
 {
-	std::string result;
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	if (mVoiceModule) 
 	{
-		result = participant->mDisplayName;
+		return mVoiceModule->isVoiceWorking();
 	}
-	
-	return result;
+	return false;
 }
 
-
-BOOL LLVoiceClient::getUsingPTT(const LLUUID& id)
+BOOL LLVoiceClient::isParticipantAvatar(const LLUUID& id)
 {
-	BOOL result = FALSE;
-
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	if (mVoiceModule) 
 	{
-		// I'm not sure what the semantics of this should be.
-		// Does "using PTT" mean they're configured with a push-to-talk button?
-		// For now, we know there's no PTT mechanism in place, so nobody is using it.
+		return mVoiceModule->isParticipantAvatar(id);
 	}
-	
-	return result;
-}
-
-BOOL LLVoiceClient::getOnMuteList(const LLUUID& id)
-{
-	BOOL result = FALSE;
-	
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	else
 	{
-		result = participant->mOnMuteList;
+		return FALSE;
 	}
-
-	return result;
 }
 
-// External accessors.
-F32 LLVoiceClient::getUserVolume(const LLUUID& id)
+BOOL LLVoiceClient::isOnlineSIP(const LLUUID& id)
 {
-	// Minimum volume will be returned for users with voice disabled
-	F32 result = VOLUME_MIN;
-	
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	if (mVoiceModule) 
 	{
-		result = participant->mVolume;
-
-		// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
-		// LL_DEBUGS("Voice") << "mVolume = " << result <<  " for " << id << LL_ENDL;
+		return mVoiceModule->isOnlineSIP(id);
 	}
-
-	return result;
-}
-
-void LLVoiceClient::setUserVolume(const LLUUID& id, F32 volume)
-{
-	if(mAudioSession)
+	else
 	{
-		participantState *participant = findParticipantByID(id);
-		if (participant && !participant->mIsSelf)
-		{
-			if (!is_approx_equal(volume, VOLUME_DEFAULT))
-			{
-				// Store this volume setting for future sessions if it has been
-				// changed from the default
-				LLSpeakerVolumeStorage::getInstance()->storeSpeakerVolume(id, volume);
-			}
-			else
-			{
-				// Remove stored volume setting if it is returned to the default
-				LLSpeakerVolumeStorage::getInstance()->removeSpeakerVolume(id);
-			}
-
-			participant->mVolume = llclamp(volume, VOLUME_MIN, VOLUME_MAX);
-			participant->mVolumeDirty = true;
-			mAudioSession->mVolumeDirty = true;
-		}
+		return FALSE;
 	}
 }
 
-std::string LLVoiceClient::getGroupID(const LLUUID& id)
+BOOL LLVoiceClient::getIsSpeaking(const LLUUID& id)
 {
-	std::string result;
-
-	participantState *participant = findParticipantByID(id);
-	if(participant)
+	if (mVoiceModule) 
 	{
-		result = participant->mGroupID;
+		return mVoiceModule->getIsSpeaking(id);
 	}
-	
-	return result;
-}
-
-BOOL LLVoiceClient::getAreaVoiceDisabled()
-{
-	return mAreaVoiceDisabled;
-}
-
-void LLVoiceClient::recordingLoopStart(int seconds, int deltaFramesPerControlFrame)
-{
-//	LL_DEBUGS("Voice") << "sending SessionGroup.ControlRecording (Start)" << LL_ENDL;
-	
-	if(!mMainSessionGroupHandle.empty())
+	else
 	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.ControlRecording.1\">"
-		<< "<SessionGroupHandle>" << mMainSessionGroupHandle << "</SessionGroupHandle>"
-		<< "<RecordingControlType>Start</RecordingControlType>" 
-		<< "<DeltaFramesPerControlFrame>" << deltaFramesPerControlFrame << "</DeltaFramesPerControlFrame>"
-		<< "<Filename>" << "" << "</Filename>"
-		<< "<EnableAudioRecordingEvents>false</EnableAudioRecordingEvents>"
-		<< "<LoopModeDurationSeconds>" << seconds << "</LoopModeDurationSeconds>"
-		<< "</Request>\n\n\n";
-
-
-		writeString(stream.str());
+		return FALSE;
 	}
 }
 
-void LLVoiceClient::recordingLoopSave(const std::string& filename)
+BOOL LLVoiceClient::getIsModeratorMuted(const LLUUID& id)
 {
-//	LL_DEBUGS("Voice") << "sending SessionGroup.ControlRecording (Flush)" << LL_ENDL;
-
-	if(mAudioSession != NULL && !mAudioSession->mGroupHandle.empty())
+	if (mVoiceModule) 
 	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.ControlRecording.1\">"
-		<< "<SessionGroupHandle>" << mMainSessionGroupHandle << "</SessionGroupHandle>"
-		<< "<RecordingControlType>Flush</RecordingControlType>" 
-		<< "<Filename>" << filename << "</Filename>"
-		<< "</Request>\n\n\n";
-
-		writeString(stream.str());
+		return mVoiceModule->getIsModeratorMuted(id);
 	}
-}
-
-void LLVoiceClient::recordingStop()
-{
-//	LL_DEBUGS("Voice") << "sending SessionGroup.ControlRecording (Stop)" << LL_ENDL;
-
-	if(mAudioSession != NULL && !mAudioSession->mGroupHandle.empty())
+	else
 	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.ControlRecording.1\">"
-		<< "<SessionGroupHandle>" << mMainSessionGroupHandle << "</SessionGroupHandle>"
-		<< "<RecordingControlType>Stop</RecordingControlType>" 
-		<< "</Request>\n\n\n";
-
-		writeString(stream.str());
+		return FALSE;
 	}
 }
 
-void LLVoiceClient::filePlaybackStart(const std::string& filename)
-{
-//	LL_DEBUGS("Voice") << "sending SessionGroup.ControlPlayback (Start)" << LL_ENDL;
-
-	if(mAudioSession != NULL && !mAudioSession->mGroupHandle.empty())
+F32 LLVoiceClient::getCurrentPower(const LLUUID& id)
+{		
+	if (mVoiceModule) 
+	{
+		return mVoiceModule->getCurrentPower(id);
+	}
+	else
 	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.ControlPlayback.1\">"
-		<< "<SessionGroupHandle>" << mMainSessionGroupHandle << "</SessionGroupHandle>"
-		<< "<RecordingControlType>Start</RecordingControlType>" 
-		<< "<Filename>" << filename << "</Filename>"
-		<< "</Request>\n\n\n";
-
-		writeString(stream.str());
+		return 0.0;
 	}
 }
 
-void LLVoiceClient::filePlaybackStop()
+BOOL LLVoiceClient::getOnMuteList(const LLUUID& id)
 {
-//	LL_DEBUGS("Voice") << "sending SessionGroup.ControlPlayback (Stop)" << LL_ENDL;
-
-	if(mAudioSession != NULL && !mAudioSession->mGroupHandle.empty())
+	if (mVoiceModule) 
 	{
-		std::ostringstream stream;
-		stream
-		<< "<Request requestId=\"" << mCommandCookie++ << "\" action=\"SessionGroup.ControlPlayback.1\">"
-		<< "<SessionGroupHandle>" << mMainSessionGroupHandle << "</SessionGroupHandle>"
-		<< "<RecordingControlType>Stop</RecordingControlType>" 
-		<< "</Request>\n\n\n";
-
-		writeString(stream.str());
+		return mVoiceModule->getOnMuteList(id);
+	}
+	else
+	{
+		return FALSE;
 	}
 }
 
-void LLVoiceClient::filePlaybackSetPaused(bool paused)
+F32 LLVoiceClient::getUserVolume(const LLUUID& id)
 {
-	// TODO: Implement once Vivox gives me a sample
+	if (mVoiceModule) 
+	{
+		return mVoiceModule->getUserVolume(id);
+	}
+	else
+	{
+		return 0.0;
+	}
 }
 
-void LLVoiceClient::filePlaybackSetMode(bool vox, float speed)
+void LLVoiceClient::setUserVolume(const LLUUID& id, F32 volume)
 {
-	// TODO: Implement once Vivox gives me a sample
+	if (mVoiceModule) mVoiceModule->setUserVolume(id, volume);
 }
 
-LLVoiceClient::sessionState::sessionState() :
-	mErrorStatusCode(0),
-	mMediaStreamState(streamStateUnknown),
-	mTextStreamState(streamStateUnknown),
-	mCreateInProgress(false),
-	mMediaConnectInProgress(false),
-	mVoiceInvitePending(false),
-	mTextInvitePending(false),
-	mSynthesizedCallerID(false),
-	mIsChannel(false),
-	mIsSpatial(false),
-	mIsP2P(false),
-	mIncoming(false),
-	mVoiceEnabled(false),
-	mReconnect(false),
-	mVolumeDirty(false),
-	mMuteDirty(false),
-	mParticipantsChanged(false)
-{
-}
+//--------------------------------------------------
+// status observers
 
-LLVoiceClient::sessionState::~sessionState()
+void LLVoiceClient::addObserver(LLVoiceClientStatusObserver* observer)
 {
-	removeAllParticipants();
+	if (mVoiceModule) mVoiceModule->addObserver(observer);
 }
 
-bool LLVoiceClient::sessionState::isCallBackPossible()
+void LLVoiceClient::removeObserver(LLVoiceClientStatusObserver* observer)
 {
-	// This may change to be explicitly specified by vivox in the future...
-	// Currently, only PSTN P2P calls cannot be returned.
-	// Conveniently, this is also the only case where we synthesize a caller UUID.
-	return !mSynthesizedCallerID;
+	if (mVoiceModule) mVoiceModule->removeObserver(observer);
 }
 
-bool LLVoiceClient::sessionState::isTextIMPossible()
+void LLVoiceClient::addObserver(LLFriendObserver* observer)
 {
-	// This may change to be explicitly specified by vivox in the future...
-	return !mSynthesizedCallerID;
+	if (mVoiceModule) mVoiceModule->addObserver(observer);
 }
 
-
-LLVoiceClient::sessionIterator LLVoiceClient::sessionsBegin(void)
+void LLVoiceClient::removeObserver(LLFriendObserver* observer)
 {
-	return mSessions.begin();
+	if (mVoiceModule) mVoiceModule->removeObserver(observer);
 }
 
-LLVoiceClient::sessionIterator LLVoiceClient::sessionsEnd(void)
+void LLVoiceClient::addObserver(LLVoiceClientParticipantObserver* observer)
 {
-	return mSessions.end();
+	if (mVoiceModule) mVoiceModule->addObserver(observer);
 }
 
-
-LLVoiceClient::sessionState *LLVoiceClient::findSession(const std::string &handle)
-{
-	sessionState *result = NULL;
-	sessionMap::iterator iter = mSessionsByHandle.find(&handle);
-	if(iter != mSessionsByHandle.end())
-	{
-		result = iter->second;
-	}
-	
-	return result;
-}
-
-LLVoiceClient::sessionState *LLVoiceClient::findSessionBeingCreatedByURI(const std::string &uri)
-{	
-	sessionState *result = NULL;
-	for(sessionIterator iter = sessionsBegin(); iter != sessionsEnd(); iter++)
-	{
-		sessionState *session = *iter;
-		if(session->mCreateInProgress && (session->mSIPURI == uri))
-		{
-			result = session;
-			break;
-		}
-	}
-	
-	return result;
-}
-
-LLVoiceClient::sessionState *LLVoiceClient::findSession(const LLUUID &participant_id)
+void LLVoiceClient::removeObserver(LLVoiceClientParticipantObserver* observer)
 {
-	sessionState *result = NULL;
-	
-	for(sessionIterator iter = sessionsBegin(); iter != sessionsEnd(); iter++)
-	{
-		sessionState *session = *iter;
-		if((session->mCallerID == participant_id) || (session->mIMSessionID == participant_id))
-		{
-			result = session;
-			break;
-		}
-	}
-	
-	return result;
+	if (mVoiceModule) mVoiceModule->removeObserver(observer);
 }
 
-LLVoiceClient::sessionState *LLVoiceClient::addSession(const std::string &uri, const std::string &handle)
+std::string LLVoiceClient::sipURIFromID(const LLUUID &id)
 {
-	sessionState *result = NULL;
-	
-	if(handle.empty())
+	if (mVoiceModule) 
 	{
-		// No handle supplied.
-		// Check whether there's already a session with this URI
-		for(sessionIterator iter = sessionsBegin(); iter != sessionsEnd(); iter++)
-		{
-			sessionState *s = *iter;
-			if((s->mSIPURI == uri) || (s->mAlternateSIPURI == uri))
-			{
-				// TODO: I need to think about this logic... it's possible that this case should raise an internal error.
-				result = s;
-				break;
-			}
-		}
-	}
-	else // (!handle.empty())
-	{
-		// Check for an existing session with this handle
-		sessionMap::iterator iter = mSessionsByHandle.find(&handle);
-		
-		if(iter != mSessionsByHandle.end())
-		{
-			result = iter->second;
-		}
-	}
-
-	if(!result)
-	{
-		// No existing session found.
-		
-		LL_DEBUGS("Voice") << "adding new session: handle " << handle << " URI " << uri << LL_ENDL;
-		result = new sessionState();
-		result->mSIPURI = uri;
-		result->mHandle = handle;
-		
-		mSessions.insert(result);
-
-		if(!result->mHandle.empty())
-		{
-			mSessionsByHandle.insert(sessionMap::value_type(&(result->mHandle), result));
-		}
+		return mVoiceModule->sipURIFromID(id);
 	}
 	else
 	{
-		// Found an existing session
-		
-		if(uri != result->mSIPURI)
-		{
-			// TODO: Should this be an internal error?
-			LL_DEBUGS("Voice") << "changing uri from " << result->mSIPURI << " to " << uri << LL_ENDL;
-			setSessionURI(result, uri);
-		}
-
-		if(handle != result->mHandle)
-		{
-			if(handle.empty())
-			{
-				// There's at least one race condition where where addSession was clearing an existing session handle, which caused things to break.
-				LL_DEBUGS("Voice") << "NOT clearing handle " << result->mHandle << LL_ENDL;
-			}
-			else
-			{
-				// TODO: Should this be an internal error?
-				LL_DEBUGS("Voice") << "changing handle from " << result->mHandle << " to " << handle << LL_ENDL;
-				setSessionHandle(result, handle);
-			}
-		}
-		
-		LL_DEBUGS("Voice") << "returning existing session: handle " << handle << " URI " << uri << LL_ENDL;
-	}
-
-	verifySessionState();
-		
-	return result;
-}
-
-void LLVoiceClient::setSessionHandle(sessionState *session, const std::string &handle)
-{
-	// Have to remove the session from the handle-indexed map before changing the handle, or things will break badly.
-	
-	if(!session->mHandle.empty())
-	{
-		// Remove session from the map if it should have been there.
-		sessionMap::iterator iter = mSessionsByHandle.find(&(session->mHandle));
-		if(iter != mSessionsByHandle.end())
-		{
-			if(iter->second != session)
-			{
-				LL_ERRS("Voice") << "Internal error: session mismatch!" << LL_ENDL;
-			}
-
-			mSessionsByHandle.erase(iter);
-		}
-		else
-		{
-			LL_ERRS("Voice") << "Internal error: session handle not found in map!" << LL_ENDL;
-		}
+		return std::string();
 	}
-			
-	session->mHandle = handle;
-
-	if(!handle.empty())
-	{
-		mSessionsByHandle.insert(sessionMap::value_type(&(session->mHandle), session));
-	}
-
-	verifySessionState();
 }
 
-void LLVoiceClient::setSessionURI(sessionState *session, const std::string &uri)
-{
-	// There used to be a map of session URIs to sessions, which made this complex....
-	session->mSIPURI = uri;
 
-	verifySessionState();
-}
+///////////////////
+// version checking
 
-void LLVoiceClient::deleteSession(sessionState *session)
+class LLViewerRequiredVoiceVersion : public LLHTTPNode
 {
-	// Remove the session from the handle map
-	if(!session->mHandle.empty())
+	static BOOL sAlertedUser;
+	virtual void post(
+					  LLHTTPNode::ResponsePtr response,
+					  const LLSD& context,
+					  const LLSD& input) const
 	{
-		sessionMap::iterator iter = mSessionsByHandle.find(&(session->mHandle));
-		if(iter != mSessionsByHandle.end())
+		//You received this messsage (most likely on region cross or
+		//teleport)
+		if ( input.has("body") && input["body"].has("major_version") )
 		{
-			if(iter->second != session)
+			int major_voice_version =
+			input["body"]["major_version"].asInteger();
+			// 			int minor_voice_version =
+			// 				input["body"]["minor_version"].asInteger();
+			LLVoiceVersionInfo versionInfo = LLVoiceClient::getInstance()->getVersion();
+			
+			if (major_voice_version > 1)
 			{
-				LL_ERRS("Voice") << "Internal error: session mismatch" << LL_ENDL;
+				if (!sAlertedUser)
+				{
+					//sAlertedUser = TRUE;
+					LLNotificationsUtil::add("VoiceVersionMismatch");
+					gSavedSettings.setBOOL("EnableVoiceChat", FALSE); // toggles listener
+				}
 			}
-			mSessionsByHandle.erase(iter);
 		}
 	}
+};
 
-	// Remove the session from the URI map
-	mSessions.erase(session);
-	
-	// At this point, the session should be unhooked from all lists and all state should be consistent.
-	verifySessionState();
-
-	// If this is the current audio session, clean up the pointer which will soon be dangling.
-	if(mAudioSession == session)
-	{
-		mAudioSession = NULL;
-		mAudioSessionChanged = true;
-	}
-
-	// ditto for the next audio session
-	if(mNextAudioSession == session)
-	{
-		mNextAudioSession = NULL;
-	}
-
-	// delete the session
-	delete session;
-}
-
-void LLVoiceClient::deleteAllSessions()
-{
-	LL_DEBUGS("Voice") << "called" << LL_ENDL;
-
-	while(!mSessions.empty())
-	{
-		deleteSession(*(sessionsBegin()));
-	}
-	
-	if(!mSessionsByHandle.empty())
-	{
-		LL_ERRS("Voice") << "Internal error: empty session map, non-empty handle map" << LL_ENDL;
-	}
-}
-
-void LLVoiceClient::verifySessionState(void)
+class LLViewerParcelVoiceInfo : public LLHTTPNode
 {
-	// This is mostly intended for debugging problems with session state management.
-	LL_DEBUGS("Voice") << "Total session count: " << mSessions.size() << " , session handle map size: " << mSessionsByHandle.size() << LL_ENDL;
-
-	for(sessionIterator iter = sessionsBegin(); iter != sessionsEnd(); iter++)
+	virtual void post(
+					  LLHTTPNode::ResponsePtr response,
+					  const LLSD& context,
+					  const LLSD& input) const
 	{
-		sessionState *session = *iter;
-
-		LL_DEBUGS("Voice") << "session " << session << ": handle " << session->mHandle << ", URI " << session->mSIPURI << LL_ENDL;
+		//the parcel you are in has changed something about its
+		//voice information
 		
-		if(!session->mHandle.empty())
+		//this is a misnomer, as it can also be when you are not in
+		//a parcel at all.  Should really be something like
+		//LLViewerVoiceInfoChanged.....
+		if ( input.has("body") )
 		{
-			// every session with a non-empty handle needs to be in the handle map
-			sessionMap::iterator i2 = mSessionsByHandle.find(&(session->mHandle));
-			if(i2 == mSessionsByHandle.end())
-			{
-				LL_ERRS("Voice") << "internal error (handle " << session->mHandle << " not found in session map)" << LL_ENDL;
-			}
-			else
+			LLSD body = input["body"];
+			
+			//body has "region_name" (str), "parcel_local_id"(int),
+			//"voice_credentials" (map).
+			
+			//body["voice_credentials"] has "channel_uri" (str),
+			//body["voice_credentials"] has "channel_credentials" (str)
+			
+			//if we really wanted to be extra careful,
+			//we'd check the supplied
+			//local parcel id to make sure it's for the same parcel
+			//we believe we're in
+			if ( body.has("voice_credentials") )
 			{
-				if(i2->second != session)
+				LLSD voice_credentials = body["voice_credentials"];
+				std::string uri;
+				std::string credentials;
+				
+				if ( voice_credentials.has("channel_uri") )
 				{
-					LL_ERRS("Voice") << "internal error (handle " << session->mHandle << " in session map points to another session)" << LL_ENDL;
+					uri = voice_credentials["channel_uri"].asString();
 				}
+				if ( voice_credentials.has("channel_credentials") )
+				{
+					credentials =
+					voice_credentials["channel_credentials"].asString();
+				}
+				
+				LLVoiceClient::getInstance()->setSpatialChannel(uri, credentials);
 			}
 		}
 	}
-		
-	// check that every entry in the handle map points to a valid session in the session set
-	for(sessionMap::iterator iter = mSessionsByHandle.begin(); iter != mSessionsByHandle.end(); iter++)
-	{
-		sessionState *session = iter->second;
-		sessionIterator i2 = mSessions.find(session);
-		if(i2 == mSessions.end())
-		{
-			LL_ERRS("Voice") << "internal error (session for handle " << session->mHandle << " not found in session map)" << LL_ENDL;
-		}
-		else
-		{
-			if(session->mHandle != (*i2)->mHandle)
-			{
-				LL_ERRS("Voice") << "internal error (session for handle " << session->mHandle << " points to session with different handle " << (*i2)->mHandle << ")" << LL_ENDL;
-			}
-		}
-	}
-}
+};
 
-LLVoiceClient::buddyListEntry::buddyListEntry(const std::string &uri) :
-	mURI(uri)
-{
-	mOnlineSL = false;
-	mOnlineSLim = false;
-	mCanSeeMeOnline = true;
-	mHasBlockListEntry = false;
-	mHasAutoAcceptListEntry = false;
-	mNameResolved = false;
-	mInVivoxBuddies = false;
-	mInSLFriends = false;
-	mNeedsNameUpdate = false;
-}
+const std::string LLSpeakerVolumeStorage::SETTINGS_FILE_NAME = "volume_settings.xml";
 
-void LLVoiceClient::processBuddyListEntry(const std::string &uri, const std::string &displayName)
+LLSpeakerVolumeStorage::LLSpeakerVolumeStorage()
 {
-	buddyListEntry *buddy = addBuddy(uri, displayName);
-	buddy->mInVivoxBuddies = true;	
+	load();
 }
 
-LLVoiceClient::buddyListEntry *LLVoiceClient::addBuddy(const std::string &uri)
+LLSpeakerVolumeStorage::~LLSpeakerVolumeStorage()
 {
-	std::string empty;
-	buddyListEntry *buddy = addBuddy(uri, empty);
-	if(buddy->mDisplayName.empty())
-	{
-		buddy->mNameResolved = false;
-	}
-	return buddy;
+	save();
 }
 
-LLVoiceClient::buddyListEntry *LLVoiceClient::addBuddy(const std::string &uri, const std::string &displayName)
+void LLSpeakerVolumeStorage::storeSpeakerVolume(const LLUUID& speaker_id, F32 volume)
 {
-	buddyListEntry *result = NULL;
-	buddyListMap::iterator iter = mBuddyListMap.find(&uri);
-	
-	if(iter != mBuddyListMap.end())
-	{
-		// Found a matching buddy already in the map.
-		LL_DEBUGS("Voice") << "adding existing buddy " << uri << LL_ENDL;
-		result = iter->second;
-	}
-
-	if(!result)
+	if ((volume >= LLVoiceClient::VOLUME_MIN) && (volume <= LLVoiceClient::VOLUME_MAX))
 	{
-		// participant isn't already in one list or the other.
-		LL_DEBUGS("Voice") << "adding new buddy " << uri << LL_ENDL;
-		result = new buddyListEntry(uri);
-		result->mDisplayName = displayName;
-
-		if(IDFromName(uri, result->mUUID)) 
-		{
-			// Extracted UUID from name successfully.
-		}
-		else
-		{
-			LL_DEBUGS("Voice") << "Couldn't find ID for buddy " << uri << " (\"" << displayName << "\")" << LL_ENDL;
-		}
-
-		mBuddyListMap.insert(buddyListMap::value_type(&(result->mURI), result));
-	}
-	
-	return result;
-}
+		mSpeakersData[speaker_id] = volume;
 
-LLVoiceClient::buddyListEntry *LLVoiceClient::findBuddy(const std::string &uri)
-{
-	buddyListEntry *result = NULL;
-	buddyListMap::iterator iter = mBuddyListMap.find(&uri);
-	if(iter != mBuddyListMap.end())
-	{
-		result = iter->second;
+		// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
+		// LL_DEBUGS("Voice") << "Stored volume = " << volume <<  " for " << id << LL_ENDL;
 	}
-	
-	return result;
-}
-
-LLVoiceClient::buddyListEntry *LLVoiceClient::findBuddy(const LLUUID &id)
-{
-	buddyListEntry *result = NULL;
-	buddyListMap::iterator iter;
-
-	for(iter = mBuddyListMap.begin(); iter != mBuddyListMap.end(); iter++)
+	else
 	{
-		if(iter->second->mUUID == id)
-		{
-			result = iter->second;
-			break;
-		}
+		LL_WARNS("Voice") << "Attempted to store out of range volume " << volume << " for " << speaker_id << LL_ENDL;
+		llassert(0);
 	}
-	
-	return result;
 }
 
-LLVoiceClient::buddyListEntry *LLVoiceClient::findBuddyByDisplayName(const std::string &name)
+bool LLSpeakerVolumeStorage::getSpeakerVolume(const LLUUID& speaker_id, F32& volume)
 {
-	buddyListEntry *result = NULL;
-	buddyListMap::iterator iter;
-
-	for(iter = mBuddyListMap.begin(); iter != mBuddyListMap.end(); iter++)
-	{
-		if(iter->second->mDisplayName == name)
-		{
-			result = iter->second;
-			break;
-		}
-	}
+	speaker_data_map_t::const_iterator it = mSpeakersData.find(speaker_id);
 	
-	return result;
-}
-
-void LLVoiceClient::deleteBuddy(const std::string &uri)
-{
-	buddyListMap::iterator iter = mBuddyListMap.find(&uri);
-	if(iter != mBuddyListMap.end())
-	{
-		LL_DEBUGS("Voice") << "deleting buddy " << uri << LL_ENDL;
-		buddyListEntry *buddy = iter->second;
-		mBuddyListMap.erase(iter);
-		delete buddy;
-	}
-	else
+	if (it != mSpeakersData.end())
 	{
-		LL_DEBUGS("Voice") << "attempt to delete nonexistent buddy " << uri << LL_ENDL;
-	}
-	
-}
+		volume = it->second;
 
-void LLVoiceClient::deleteAllBuddies(void)
-{
-	while(!mBuddyListMap.empty())
-	{
-		deleteBuddy(*(mBuddyListMap.begin()->first));
-	}
-	
-	// Don't want to correlate with friends list when we've emptied the buddy list.
-	mBuddyListMapPopulated = false;
-	
-	// Don't want to correlate with friends list when we've reset the block rules.
-	mBlockRulesListReceived = false;
-	mAutoAcceptRulesListReceived = false;
-}
+		// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
+		// LL_DEBUGS("Voice") << "Retrieved stored volume = " << volume <<  " for " << id << LL_ENDL;
 
-void LLVoiceClient::deleteAllBlockRules(void)
-{
-	// Clear the block list entry flags from all local buddy list entries
-	buddyListMap::iterator buddy_it;
-	for(buddy_it = mBuddyListMap.begin(); buddy_it != mBuddyListMap.end(); buddy_it++)
-	{
-		buddy_it->second->mHasBlockListEntry = false;
+		return true;
 	}
-}
 
-void LLVoiceClient::deleteAllAutoAcceptRules(void)
-{
-	// Clear the auto-accept list entry flags from all local buddy list entries
-	buddyListMap::iterator buddy_it;
-	for(buddy_it = mBuddyListMap.begin(); buddy_it != mBuddyListMap.end(); buddy_it++)
-	{
-		buddy_it->second->mHasAutoAcceptListEntry = false;
-	}
+	return false;
 }
 
-void LLVoiceClient::addBlockRule(const std::string &blockMask, const std::string &presenceOnly)
+void LLSpeakerVolumeStorage::removeSpeakerVolume(const LLUUID& speaker_id)
 {
-	buddyListEntry *buddy = NULL;
-
-	// blockMask is the SIP URI of a friends list entry
-	buddyListMap::iterator iter = mBuddyListMap.find(&blockMask);
-	if(iter != mBuddyListMap.end())
-	{
-		LL_DEBUGS("Voice") << "block list entry for " << blockMask << LL_ENDL;
-		buddy = iter->second;
-	}
+	mSpeakersData.erase(speaker_id);
 
-	if(buddy == NULL)
-	{
-		LL_DEBUGS("Voice") << "block list entry for unknown buddy " << blockMask << LL_ENDL;
-		buddy = addBuddy(blockMask);
-	}
-	
-	if(buddy != NULL)
-	{
-		buddy->mHasBlockListEntry = true;
-	}
+	// Enable this when debugging voice slider issues.  It's way to spammy even for debug-level logging.
+	// LL_DEBUGS("Voice") << "Removing stored volume for  " << id << LL_ENDL;
 }
 
-void LLVoiceClient::addAutoAcceptRule(const std::string &autoAcceptMask, const std::string &autoAddAsBuddy)
+/* static */ F32 LLSpeakerVolumeStorage::transformFromLegacyVolume(F32 volume_in)
 {
-	buddyListEntry *buddy = NULL;
+	// Convert to linear-logarithmic [0.0..1.0] with 0.5 = 0dB
+	// from legacy characteristic composed of two square-curves
+	// that intersect at volume_in = 0.5, volume_out = 0.56
 
-	// blockMask is the SIP URI of a friends list entry
-	buddyListMap::iterator iter = mBuddyListMap.find(&autoAcceptMask);
-	if(iter != mBuddyListMap.end())
-	{
-		LL_DEBUGS("Voice") << "auto-accept list entry for " << autoAcceptMask << LL_ENDL;
-		buddy = iter->second;
-	}
+	F32 volume_out = 0.f;
+	volume_in = llclamp(volume_in, 0.f, 1.0f);
 
-	if(buddy == NULL)
+	if (volume_in <= 0.5f)
 	{
-		LL_DEBUGS("Voice") << "auto-accept list entry for unknown buddy " << autoAcceptMask << LL_ENDL;
-		buddy = addBuddy(autoAcceptMask);
+		volume_out = volume_in * volume_in * 4.f * 0.56f;
 	}
-
-	if(buddy != NULL)
+	else
 	{
-		buddy->mHasAutoAcceptListEntry = true;
+		volume_out = (1.f - 0.56f) * (4.f * volume_in * volume_in - 1.f) / 3.f + 0.56f;
 	}
-}
-
-void LLVoiceClient::accountListBlockRulesResponse(int statusCode, const std::string &statusString)
-{
-	// Block list entries were updated via addBlockRule() during parsing.  Just flag that we're done.
-	mBlockRulesListReceived = true;
-}
-
-void LLVoiceClient::accountListAutoAcceptRulesResponse(int statusCode, const std::string &statusString)
-{
-	// Block list entries were updated via addBlockRule() during parsing.  Just flag that we're done.
-	mAutoAcceptRulesListReceived = true;
-}
 
-void LLVoiceClient::addObserver(LLVoiceClientParticipantObserver* observer)
-{
-	mParticipantObservers.insert(observer);
-}
-
-void LLVoiceClient::removeObserver(LLVoiceClientParticipantObserver* observer)
-{
-	mParticipantObservers.erase(observer);
-}
-
-void LLVoiceClient::notifyParticipantObservers()
-{
-	for (observer_set_t::iterator it = mParticipantObservers.begin();
-		it != mParticipantObservers.end();
-		)
-	{
-		LLVoiceClientParticipantObserver* observer = *it;
-		observer->onChange();
-		// In case onChange() deleted an entry.
-		it = mParticipantObservers.upper_bound(observer);
-	}
+	return volume_out;
 }
 
-void LLVoiceClient::addObserver(LLVoiceClientStatusObserver* observer)
+/* static */ F32 LLSpeakerVolumeStorage::transformToLegacyVolume(F32 volume_in)
 {
-	mStatusObservers.insert(observer);
-}
+	// Convert from linear-logarithmic [0.0..1.0] with 0.5 = 0dB
+	// to legacy characteristic composed of two square-curves
+	// that intersect at volume_in = 0.56, volume_out = 0.5
 
-void LLVoiceClient::removeObserver(LLVoiceClientStatusObserver* observer)
-{
-	mStatusObservers.erase(observer);
-}
+	F32 volume_out = 0.f;
+	volume_in = llclamp(volume_in, 0.f, 1.0f);
 
-void LLVoiceClient::notifyStatusObservers(LLVoiceClientStatusObserver::EStatusType status)
-{
-	if(mAudioSession)
+	if (volume_in <= 0.56f)
 	{
-		if(status == LLVoiceClientStatusObserver::ERROR_UNKNOWN)
-		{
-			switch(mAudioSession->mErrorStatusCode)
-			{
-				case 20713:		status = LLVoiceClientStatusObserver::ERROR_CHANNEL_FULL; 		break;
-				case 20714:		status = LLVoiceClientStatusObserver::ERROR_CHANNEL_LOCKED; 	break;
-				case 20715:
-					//invalid channel, we may be using a set of poorly cached
-					//info
-					status = LLVoiceClientStatusObserver::ERROR_NOT_AVAILABLE;
-					break;
-				case 1009:
-					//invalid username and password
-					status = LLVoiceClientStatusObserver::ERROR_NOT_AVAILABLE;
-					break;
-			}
-
-			// Reset the error code to make sure it won't be reused later by accident.
-			mAudioSession->mErrorStatusCode = 0;
-		}
-		else if(status == LLVoiceClientStatusObserver::STATUS_LEFT_CHANNEL)
-		{
-			switch(mAudioSession->mErrorStatusCode)
-			{
-				case 404:	// NOT_FOUND
-				case 480:	// TEMPORARILY_UNAVAILABLE
-				case 408:	// REQUEST_TIMEOUT
-					// call failed because other user was not available
-					// treat this as an error case
-					status = LLVoiceClientStatusObserver::ERROR_NOT_AVAILABLE;
-
-					// Reset the error code to make sure it won't be reused later by accident.
-					mAudioSession->mErrorStatusCode = 0;
-				break;
-			}
-		}
+		volume_out = sqrt(volume_in / (4.f * 0.56f));
 	}
-		
-	LL_DEBUGS("Voice") 
-		<< " " << LLVoiceClientStatusObserver::status2string(status)  
-		<< ", session URI " << getAudioSessionURI() 
-		<< (inSpatialChannel()?", proximal is true":", proximal is false")
-	<< LL_ENDL;
-
-	for (status_observer_set_t::iterator it = mStatusObservers.begin();
-		it != mStatusObservers.end();
-		)
+	else
 	{
-		LLVoiceClientStatusObserver* observer = *it;
-		observer->onChange(status, getAudioSessionURI(), inSpatialChannel());
-		// In case onError() deleted an entry.
-		it = mStatusObservers.upper_bound(observer);
+		volume_out = sqrt((3.f * (volume_in - 0.56f) / (1.f - 0.56f) + 1.f) / 4.f);
 	}
 
+	return volume_out;
 }
 
-void LLVoiceClient::addObserver(LLFriendObserver* observer)
-{
-	mFriendObservers.insert(observer);
-}
-
-void LLVoiceClient::removeObserver(LLFriendObserver* observer)
-{
-	mFriendObservers.erase(observer);
-}
-
-void LLVoiceClient::notifyFriendObservers()
+void LLSpeakerVolumeStorage::load()
 {
-	for (friend_observer_set_t::iterator it = mFriendObservers.begin();
-		it != mFriendObservers.end();
-		)
-	{
-		LLFriendObserver* observer = *it;
-		it++;
-		// The only friend-related thing we notify on is online/offline transitions.
-		observer->changed(LLFriendObserver::ONLINE);
-	}
-}
+	// load per-resident voice volume information
+	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SETTINGS_FILE_NAME);
 
-void LLVoiceClient::lookupName(const LLUUID &id)
-{
-	BOOL is_group = FALSE;
-	gCacheName->get(id, is_group, &LLVoiceClient::onAvatarNameLookup);
-}
+	LL_INFOS("Voice") << "Loading stored speaker volumes from: " << filename << LL_ENDL;
 
-//static
-void LLVoiceClient::onAvatarNameLookup(const LLUUID& id, const std::string& first, const std::string& last, BOOL is_group)
-{
-	if(gVoiceClient)
+	LLSD settings_llsd;
+	llifstream file;
+	file.open(filename);
+	if (file.is_open())
 	{
-		std::string name = llformat("%s %s", first.c_str(), last.c_str());
-		gVoiceClient->avatarNameResolved(id, name);
+		LLSDSerialize::fromXML(settings_llsd, file);
 	}
-}
 
-void LLVoiceClient::avatarNameResolved(const LLUUID &id, const std::string &name)
-{
-	// If the avatar whose name just resolved is on our friends list, resync the friends list.
-	if(LLAvatarTracker::instance().getBuddyInfo(id) != NULL)
-	{
-		mFriendsListDirty = true;
-	}
-	
-	// Iterate over all sessions.
-	for(sessionIterator iter = sessionsBegin(); iter != sessionsEnd(); iter++)
+	for (LLSD::map_const_iterator iter = settings_llsd.beginMap();
+		iter != settings_llsd.endMap(); ++iter)
 	{
-		sessionState *session = *iter;
-
-		// Check for this user as a participant in this session
-		participantState *participant = session->findParticipantByID(id);
-		if(participant)
-		{
-			// Found -- fill in the name
-			participant->mAccountName = name;
-			// and post a "participants updated" message to listeners later.
-			session->mParticipantsChanged = true;
-		}
-		
-		// Check whether this is a p2p session whose caller name just resolved
-		if(session->mCallerID == id)
-		{
-			// this session's "caller ID" just resolved.  Fill in the name.
-			session->mName = name;
-			if(session->mTextInvitePending)
-			{
-				session->mTextInvitePending = false;
+		// Maintain compatibility with 1.23 non-linear saved volume levels
+		F32 volume = transformFromLegacyVolume((F32)iter->second.asReal());
 
-				// We don't need to call gIMMgr->addP2PSession() here.  The first incoming message will create the panel.				
-			}
-			if(session->mVoiceInvitePending)
-			{
-				session->mVoiceInvitePending = false;
-
-				gIMMgr->inviteToSession(
-					session->mIMSessionID,
-					session->mName,
-					session->mCallerID, 
-					session->mName, 
-					IM_SESSION_P2P_INVITE, 
-					LLIMMgr::INVITATION_TYPE_VOICE,
-					session->mHandle,
-					session->mSIPURI);
-			}
-			
-		}
+		storeSpeakerVolume(LLUUID(iter->first), volume);
 	}
 }
 
-class LLViewerParcelVoiceInfo : public LLHTTPNode
+void LLSpeakerVolumeStorage::save()
 {
-	virtual void post(
-		LLHTTPNode::ResponsePtr response,
-		const LLSD& context,
-		const LLSD& input) const
+	// If we quit from the login screen we will not have an SL account
+	// name.  Don't try to save, otherwise we'll dump a file in
+	// C:\Program Files\SecondLife\ or similar. JC
+	std::string user_dir = gDirUtilp->getLindenUserDir();
+	if (!user_dir.empty())
 	{
-		//the parcel you are in has changed something about its
-		//voice information
-
-		//this is a misnomer, as it can also be when you are not in
-		//a parcel at all.  Should really be something like
-		//LLViewerVoiceInfoChanged.....
-		if ( input.has("body") )
-		{
-			LLSD body = input["body"];
-
-			//body has "region_name" (str), "parcel_local_id"(int),
-			//"voice_credentials" (map).
-
-			//body["voice_credentials"] has "channel_uri" (str),
-			//body["voice_credentials"] has "channel_credentials" (str)
-
-			//if we really wanted to be extra careful,
-			//we'd check the supplied
-			//local parcel id to make sure it's for the same parcel
-			//we believe we're in
-			if ( body.has("voice_credentials") )
-			{
-				LLSD voice_credentials = body["voice_credentials"];
-				std::string uri;
-				std::string credentials;
-
-				if ( voice_credentials.has("channel_uri") )
-				{
-					uri = voice_credentials["channel_uri"].asString();
-				}
-				if ( voice_credentials.has("channel_credentials") )
-				{
-					credentials =
-						voice_credentials["channel_credentials"].asString();
-				}
+		std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SETTINGS_FILE_NAME);
+		LLSD settings_llsd;
 
-				gVoiceClient->setSpatialChannel(uri, credentials);
-			}
-		}
-	}
-};
+		LL_INFOS("Voice") << "Saving stored speaker volumes to: " << filename << LL_ENDL;
 
-class LLViewerRequiredVoiceVersion : public LLHTTPNode
-{
-	static BOOL sAlertedUser;
-	virtual void post(
-		LLHTTPNode::ResponsePtr response,
-		const LLSD& context,
-		const LLSD& input) const
-	{
-		//You received this messsage (most likely on region cross or
-		//teleport)
-		if ( input.has("body") && input["body"].has("major_version") )
+		for(speaker_data_map_t::const_iterator iter = mSpeakersData.begin(); iter != mSpeakersData.end(); ++iter)
 		{
-			int major_voice_version =
-				input["body"]["major_version"].asInteger();
-// 			int minor_voice_version =
-// 				input["body"]["minor_version"].asInteger();
+			// Maintain compatibility with 1.23 non-linear saved volume levels
+			F32 volume = transformToLegacyVolume(iter->second);
 
-			if (gVoiceClient &&
-				(major_voice_version > VOICE_MAJOR_VERSION) )
-			{
-				if (!sAlertedUser)
-				{
-					//sAlertedUser = TRUE;
-					LLNotificationsUtil::add("VoiceVersionMismatch");
-					gSavedSettings.setBOOL("EnableVoiceChat", FALSE); // toggles listener
-				}
-			}
+			settings_llsd[iter->first.asString()] = volume;
 		}
+
+		llofstream file;
+		file.open(filename);
+		LLSDSerialize::toPrettyXML(settings_llsd, file);
 	}
-};
+}
+
 BOOL LLViewerRequiredVoiceVersion::sAlertedUser = FALSE;
 
 LLHTTPRegistration<LLViewerParcelVoiceInfo>
-    gHTTPRegistrationMessageParcelVoiceInfo(
-		"/message/ParcelVoiceInfo");
+gHTTPRegistrationMessageParcelVoiceInfo(
+										"/message/ParcelVoiceInfo");
 
 LLHTTPRegistration<LLViewerRequiredVoiceVersion>
-    gHTTPRegistrationMessageRequiredVoiceVersion(
-		"/message/RequiredVoiceVersion");
+gHTTPRegistrationMessageRequiredVoiceVersion(
+											 "/message/RequiredVoiceVersion");