diff --git a/indra/newview/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
index ebb44561da6f2a46c7b7b81df722c62f539d9043..a0df37b309c6625c7b5b0501dd0b83cafc9ff245 100755
--- a/indra/newview/llfloaterimcontainer.cpp
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -1271,6 +1271,22 @@ bool LLFloaterIMContainer::enableContextMenuItem(const LLSD& userdata)
 	uuid_vec_t uuids;
 	getParticipantUUIDs(uuids);
 
+
+	//If there is group or ad-hoc chat in multiselection, everything needs to be disabled
+	if(uuids.size() > 1)
+	{
+		const std::set<LLFolderViewItem*> selectedItems = mConversationsRoot->getSelectionList();
+		LLConversationItem * conversationItem;
+		for(std::set<LLFolderViewItem*>::const_iterator it = selectedItems.begin(); it != selectedItems.end(); ++it)
+		{
+			conversationItem = static_cast<LLConversationItem *>((*it)->getViewModelItem());
+			if((conversationItem->getType() == LLConversationItem::CONV_SESSION_GROUP) || (conversationItem->getType() == LLConversationItem::CONV_SESSION_AD_HOC))
+			{
+				return false;
+			}
+		}
+	}
+
 	if ("conversation_log" == item)
 	{
 		return gSavedPerAccountSettings.getS32("KeepConversationLogTranscripts") > 0;
@@ -1375,6 +1391,10 @@ bool LLFloaterIMContainer::enableContextMenuItem(const std::string& item, uuid_v
     else if ("can_call" == item)
     {
         return LLAvatarActions::canCall();
+    }
+    else if ("can_open_voice_conversation" == item)
+    {
+    	return is_single_select && LLAvatarActions::canCall();
     }
 	else if ("can_zoom_in" == item)
 	{
diff --git a/indra/newview/skins/default/xui/en/menu_conversation.xml b/indra/newview/skins/default/xui/en/menu_conversation.xml
index 31b1d091eef1be5d8e80b57883ab7695790ec6bc..f5a493c06464334cc435fa7d69f4bcdf065da97f 100755
--- a/indra/newview/skins/default/xui/en/menu_conversation.xml
+++ b/indra/newview/skins/default/xui/en/menu_conversation.xml
@@ -17,6 +17,7 @@
      layout="topleft"
      name="open_voice_conversation">
         <on_click function="Avatar.DoToSelected" parameter="open_voice_conversation"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_open_voice_conversation"/>
      </menu_item_call>	
      <menu_item_call
      label="Disconnect from voice"