diff --git a/OpenSim/Addons/Groups/GroupsMessagingModule.cs b/OpenSim/Addons/Groups/GroupsMessagingModule.cs
index e95db4120d..2ec9652b8a 100644
--- a/OpenSim/Addons/Groups/GroupsMessagingModule.cs
+++ b/OpenSim/Addons/Groups/GroupsMessagingModule.cs
@@ -627,6 +627,7 @@ namespace OpenSim.Groups
                         , false //canVoiceChat
                         , false //isModerator
                         , false //text mute
+                        , true // Enter
                         );
                 }
             }
@@ -669,6 +670,7 @@ namespace OpenSim.Groups
                         , false //canVoiceChat
                         , false //isModerator
                         , false //text mute
+                        , true
                         );
                 }
             }
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
index cc614f3297..f3acacd649 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
@@ -372,7 +372,7 @@ namespace OpenSim.Region.ClientStack.Linden
 
             caps.RegisterPollHandler(
                 "EventQueueGet",
-                new PollServiceEventArgs(null, GenerateEqgCapPath(eventQueueGetUUID), HasEvents, GetEvents, NoEvents, agentID, SERVER_EQ_TIME_NO_EVENTS));
+                new PollServiceEventArgs(null, GenerateEqgCapPath(eventQueueGetUUID), HasEvents, GetEvents, NoEvents, Drop, agentID, SERVER_EQ_TIME_NO_EVENTS));
         }
 
         public bool HasEvents(UUID requestID, UUID agentID)
@@ -403,6 +403,10 @@ namespace OpenSim.Region.ClientStack.Linden
                     ev["message"], m_scene.GetScenePresence(agentId).Name, m_scene.Name);
             }
         }
+        public void Drop(UUID requestID, UUID pAgentId)
+        {
+            // do nothing for now, hope client close will do it        
+        }
 
         public Hashtable GetEvents(UUID requestID, UUID pAgentId)
         {
@@ -564,12 +568,12 @@ namespace OpenSim.Region.ClientStack.Linden
 
         }
 
-        public void ChatterBoxSessionAgentListUpdates(UUID sessionID, UUID fromAgent, UUID anotherAgent, bool canVoiceChat, 
-                                                      bool isModerator, bool textMute)
+        public void ChatterBoxSessionAgentListUpdates(UUID sessionID, UUID fromAgent, UUID toAgent, bool canVoiceChat, 
+                                                      bool isModerator, bool textMute, bool isEnterorLeave)
         {
             OSD item = EventQueueHelper.ChatterBoxSessionAgentListUpdates(sessionID, fromAgent, canVoiceChat,
-                                                                          isModerator, textMute);
-            Enqueue(item, fromAgent);
+                                                                          isModerator, textMute, isEnterorLeave);
+            Enqueue(item, toAgent);
             //m_log.InfoFormat("########### eq ChatterBoxSessionAgentListUpdates #############\n{0}", item);
         }
 
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueHelper.cs b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueHelper.cs
index 8beeb95b09..f1c29f6c23 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueHelper.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueHelper.cs
@@ -308,7 +308,7 @@ namespace OpenSim.Region.ClientStack.Linden
         }
 
         public static OSD ChatterBoxSessionAgentListUpdates(UUID sessionID,
-            UUID agentID, bool canVoiceChat, bool isModerator, bool textMute)
+            UUID agentID, bool canVoiceChat, bool isModerator, bool textMute, bool isEnterorLeave)
         {
             OSDMap body = new OSDMap();
             OSDMap agentUpdates = new OSDMap();
@@ -321,7 +321,13 @@ namespace OpenSim.Region.ClientStack.Linden
             infoDetail.Add("mutes", mutes);
             OSDMap info = new OSDMap();
             info.Add("info", infoDetail);
+            if(isEnterorLeave)
+                info.Add("transition",OSD.FromString("ENTER"));
+            else
+                info.Add("transition",OSD.FromString("LEAVE"));
             agentUpdates.Add(agentID.ToString(), info);
+
+
             body.Add("agent_updates", agentUpdates);
             body.Add("session_id", OSD.FromUUID(sessionID));
             body.Add("updates", new OSD());
diff --git a/OpenSim/Region/Framework/Interfaces/IEventQueue.cs b/OpenSim/Region/Framework/Interfaces/IEventQueue.cs
index 4361310f34..b52576984a 100644
--- a/OpenSim/Region/Framework/Interfaces/IEventQueue.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEventQueue.cs
@@ -56,7 +56,7 @@ namespace OpenSim.Region.Framework.Interfaces
                                   uint timeStamp, bool offline, int parentEstateID, Vector3 position,
                                   uint ttl, UUID transactionID, bool fromGroup, byte[] binaryBucket);
         void ChatterBoxSessionAgentListUpdates(UUID sessionID, UUID fromAgent, UUID anotherAgent, bool canVoiceChat, 
-                                               bool isModerator, bool textMute);
+                                               bool isModerator, bool textMute, bool isEnterorLeave);
         void ParcelProperties(ParcelPropertiesMessage parcelPropertiesMessage, UUID avatarID);
         void GroupMembershipData(UUID receiverAgent, GroupMembershipData[] data);
         OSD ScriptRunningEvent(UUID objectID, UUID itemID, bool running, bool mono);
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
index e1b6abb3ae..3d9175c0f2 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
@@ -526,6 +526,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                                 , false //canVoiceChat
                                 , false //isModerator
                                 , false //text mute
+                                , true // enter
                                 );
                         }
 
@@ -574,7 +575,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                     m_groupData.AgentInvitedToGroupChatSession(AgentID, GroupID);
 
                     ChatterBoxSessionStartReplyViaCaps(remoteClient, groupInfo.GroupName, GroupID);
-
+/* this seems wrong
                     IEventQueue queue = remoteClient.Scene.RequestModuleInterface<IEventQueue>();
                     queue.ChatterBoxSessionAgentListUpdates(
                         GroupID
@@ -583,7 +584,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                         , false //canVoiceChat
                         , false //isModerator
                         , false //text mute
+                        , true
                         );
+*/
                 }
             }
 
diff --git a/OpenSim/Tests/Common/Mock/TestEventQueueGetModule.cs b/OpenSim/Tests/Common/Mock/TestEventQueueGetModule.cs
index 6ed9a16c5b..417efce63c 100644
--- a/OpenSim/Tests/Common/Mock/TestEventQueueGetModule.cs
+++ b/OpenSim/Tests/Common/Mock/TestEventQueueGetModule.cs
@@ -147,9 +147,9 @@ namespace OpenSim.Tests.Common
                 timeStamp, offline, parentEstateID, position, ttl, transactionID, fromGroup, binaryBucket);
         }
 
-        public void ChatterBoxSessionAgentListUpdates (UUID sessionID, UUID fromAgent, UUID toAgent, bool canVoiceChat, bool isModerator, bool textMute)
+        public void ChatterBoxSessionAgentListUpdates (UUID sessionID, UUID fromAgent, UUID toAgent, bool canVoiceChat, bool isModerator, bool textMute , bool isEnterorLeave)
         {
-            AddEvent(toAgent, "ChatterBoxSessionAgentListUpdates", sessionID, fromAgent, canVoiceChat, isModerator, textMute);
+            AddEvent(toAgent, "ChatterBoxSessionAgentListUpdates", sessionID, fromAgent, canVoiceChat, isModerator, textMute, isEnterorLeave);
         }
 
         public void ParcelProperties (OpenMetaverse.Messages.Linden.ParcelPropertiesMessage parcelPropertiesMessage, UUID avatarID)