diff --git a/OpenSim/Framework/IClientAPI.cs b/OpenSim/Framework/IClientAPI.cs
index 5ca8c88ecb..a9044d5aed 100644
--- a/OpenSim/Framework/IClientAPI.cs
+++ b/OpenSim/Framework/IClientAPI.cs
@@ -1485,7 +1485,7 @@ namespace OpenSim.Framework
         void SendUserInfoReply(bool imViaEmail, bool visible, string email);
 
         void SendUseCachedMuteList();
-
+        void SendEmpytMuteList();
         void SendMuteListUpdate(string filename);
 
         void SendGroupActiveProposals(UUID groupID, UUID transactionID, GroupActiveProposals[] Proposals);
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 4a76ffc6c3..2ff6cedc07 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -2307,11 +2307,23 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             OutPacket(remove, ThrottleOutPacketType.Asset);
         }
 
+/*
+        private uint adjustControls(int input)
+        {
+            uint ret = (uint)input;
+            uint masked = ret & 0x0f;
+            masked <<= 19;
+            ret |= masked;
+            return ret;
+        }
+*/
+
         public void SendTakeControls(int controls, bool passToAgent, bool TakeControls)
         {
             ScriptControlChangePacket scriptcontrol = (ScriptControlChangePacket)PacketPool.Instance.GetPacket(PacketType.ScriptControlChange);
             ScriptControlChangePacket.DataBlock[] data = new ScriptControlChangePacket.DataBlock[1];
             ScriptControlChangePacket.DataBlock ddata = new ScriptControlChangePacket.DataBlock();
+//            ddata.Controls = adjustControls(controls);
             ddata.Controls = (uint)controls;
             ddata.PassToAgent = passToAgent;
             ddata.TakeControls = TakeControls;
@@ -3762,6 +3774,22 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             OutPacket(useCachedMuteList, ThrottleOutPacketType.Task);
         }
 
+       public void SendEmpytMuteList()
+        {
+            GenericMessagePacket gmp = new GenericMessagePacket();
+
+            gmp.AgentData.AgentID = AgentId;
+            gmp.AgentData.SessionID = m_sessionId;
+            gmp.AgentData.TransactionID = UUID.Zero;
+
+            gmp.MethodData.Method = Util.StringToBytes256("emptymutelist");
+            gmp.ParamList = new GenericMessagePacket.ParamListBlock[1];
+            gmp.ParamList[0] = new GenericMessagePacket.ParamListBlock();
+            gmp.ParamList[0].Parameter = new byte[0];
+
+            OutPacket(gmp, ThrottleOutPacketType.Task);
+        }
+
         public void SendMuteListUpdate(string filename)
         {
             MuteListUpdatePacket muteListUpdate = (MuteListUpdatePacket)PacketPool.Instance.GetPacket(PacketType.MuteListUpdate);
@@ -11008,9 +11036,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
             else
             {
-                SendUseCachedMuteList();
+                 if(muteListRequest.MuteData.MuteCRC == 0)
+                    SendEmpytMuteList();
+                else
+                    SendUseCachedMuteList();
             }
-            return true;
+            return true;           
         }
 
         private bool HandleUpdateMuteListEntry(IClientAPI client, Packet Packet)
diff --git a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
index d39c224129..469dd67437 100644
--- a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
+++ b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
@@ -1702,6 +1702,11 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
 
         }
 
+        public void SendEmpytMuteList()
+        {
+
+        }
+
         public void SendMuteListUpdate(string filename)
         {
 
diff --git a/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs b/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs
index 151a202e49..bb23f2fb1f 100644
--- a/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs
+++ b/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs
@@ -1314,6 +1314,10 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         {
         }
 
+        public void SendEmpytMuteList()
+        {
+        }
+
         public void SendMuteListUpdate(string filename)
         {
         }
diff --git a/OpenSim/Tests/Common/Mock/TestClient.cs b/OpenSim/Tests/Common/Mock/TestClient.cs
index a8359255ad..449716b60f 100644
--- a/OpenSim/Tests/Common/Mock/TestClient.cs
+++ b/OpenSim/Tests/Common/Mock/TestClient.cs
@@ -1315,6 +1315,10 @@ namespace OpenSim.Tests.Common
         {
         }
 
+        public void SendEmpytMuteList()
+        {
+        }
+
         public void SendMuteListUpdate(string filename)
         {
         }