5 files changed, 28 insertions, 4 deletions
diff --git a/indra/newview/llcallfloater.cpp b/indra/newview/llcallfloater.cpp
index f566806b29..4a24b558c9 100644
--- a/indra/newview/llcallfloater.cpp
+++ b/indra/newview/llcallfloater.cpp
@@ -62,8 +62,6 @@ BOOL LLCallFloater::postBuild()
 	LLDockableFloater::postBuild();
 	mAvatarList = getChild<LLAvatarList>("speakers_list");
 
-	mSpeakerManager = LLLocalSpeakerMgr::getInstance();
-	mPaticipants = new LLParticipantList(mSpeakerManager, mAvatarList, false);
 
 	LLView *anchor_panel = LLBottomTray::getInstance()->getChild<LLView>("speak_panel");
 
@@ -73,4 +71,27 @@ BOOL LLCallFloater::postBuild()
 
 	return TRUE;
 }
+
+// virtual
+void LLCallFloater::onOpen(const LLSD& key)
+{
+	// by default let show nearby chat participants
+	mSpeakerManager = LLLocalSpeakerMgr::getInstance();
+
+	const LLUUID& session_id = key.asUUID();
+	LLIMModel::LLIMSession* im_session = LLIMModel::getInstance()->findIMSession(session_id);
+	if (im_session)
+	{
+		mSpeakerManager = LLIMModel::getInstance()->getSpeakerManager(session_id);
+	}
+
+	delete mPaticipants;
+	mAvatarList->clear();
+	mPaticipants = new LLParticipantList(mSpeakerManager, mAvatarList, false);
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// PRIVATE SECTION
+//////////////////////////////////////////////////////////////////////////
+
 //EOF
diff --git a/indra/newview/llcallfloater.h b/indra/newview/llcallfloater.h
index 8c4a204943..0b86a6ee92 100644
--- a/indra/newview/llcallfloater.h
+++ b/indra/newview/llcallfloater.h
@@ -58,6 +58,7 @@ public:
 	~LLCallFloater();
 
 	/*virtual*/ BOOL postBuild();
+	/*virtual*/ void onOpen(const LLSD& key);
 
 
 private:
diff --git a/indra/newview/llpanelimcontrolpanel.cpp b/indra/newview/llpanelimcontrolpanel.cpp
index 78b4d29b16..741f42f9d5 100644
--- a/indra/newview/llpanelimcontrolpanel.cpp
+++ b/indra/newview/llpanelimcontrolpanel.cpp
@@ -32,6 +32,8 @@
 
 #include "llviewerprecompiledheaders.h"
 
+#include "llfloaterreg.h"
+
 #include "llpanelimcontrolpanel.h"
 
 #include "llagent.h"
@@ -58,7 +60,7 @@ void LLPanelChatControlPanel::onEndCallButtonClicked()
 
 void LLPanelChatControlPanel::onOpenVoiceControlsClicked()
 {
-	// TODO: implement Voice Control Panel opening
+	LLFloaterReg::showInstance("voice_controls", getSessionId());
 }
 
 void LLPanelChatControlPanel::onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
diff --git a/indra/newview/llparticipantlist.cpp b/indra/newview/llparticipantlist.cpp
index a5440c3687..7cf5302e40 100644
--- a/indra/newview/llparticipantlist.cpp
+++ b/indra/newview/llparticipantlist.cpp
@@ -89,6 +89,7 @@ LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* av
 			mModeratorList.insert(speakerp->mID);
 		}
 	}
+	mAvatarList->setDirty(true);
 	sort();
 }
 
diff --git a/indra/newview/skins/default/xui/en/panel_group_control_panel.xml b/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
index 41b210557e..889f29fc53 100644
--- a/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
+++ b/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
@@ -61,7 +61,6 @@
          width="125"/>
 
         <button
-         enabled="false"
          bottom="10"
          follows="all" 
          height="20"