diff --git a/OpenSim/Framework/IClientAPI.cs b/OpenSim/Framework/IClientAPI.cs
index 3d2bf4a9f9..518659f02f 100644
--- a/OpenSim/Framework/IClientAPI.cs
+++ b/OpenSim/Framework/IClientAPI.cs
@@ -635,6 +635,7 @@ namespace OpenSim.Framework
         void SendPreLoadSound(LLUUID objectID, LLUUID ownerID, LLUUID soundID);
         void SendPlayAttachedSound(LLUUID soundID, LLUUID objectID, LLUUID ownerID, float gain, byte flags);
         void SendTriggeredSound(LLUUID soundID, LLUUID ownerID, LLUUID objectID, LLUUID parentID, ulong handle, LLVector3 position, float gain);
+        void SendAttachedSoundGainChange(LLUUID objectID, float gain);
 
         void SendNameReply(LLUUID profileId, string firstname, string lastname);
         void SendAlertMessage(string message);
diff --git a/OpenSim/Region/ClientStack/ClientView.cs b/OpenSim/Region/ClientStack/ClientView.cs
index fca78f7b97..3f971a857d 100644
--- a/OpenSim/Region/ClientStack/ClientView.cs
+++ b/OpenSim/Region/ClientStack/ClientView.cs
@@ -1559,6 +1559,15 @@ namespace OpenSim.Region.ClientStack
             OutPacket(sound, ThrottleOutPacketType.Task);
         }
 
+        public void SendAttachedSoundGainChange(LLUUID objectID, float gain)
+        {
+            AttachedSoundGainChangePacket sound = (AttachedSoundGainChangePacket)PacketPool.Instance.GetPacket(PacketType.AttachedSoundGainChange);
+            sound.DataBlock.ObjectID = objectID;
+            sound.DataBlock.Gain = gain;
+
+            OutPacket(sound, ThrottleOutPacketType.Task);
+        }
+
         public void SendSunPos(LLVector3 sunPos, LLVector3 sunVel)
         {
             SimulatorViewerTimeMessagePacket viewertime = (SimulatorViewerTimeMessagePacket)PacketPool.Instance.GetPacket(PacketType.SimulatorViewerTimeMessage);
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index ea20725242..51a633eedd 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -1739,7 +1739,21 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
-        public void SendSound(string sound, double volume, bool triggered)
+        public void AdjustSoundGain(double volume)
+        {
+            if (volume > 1)
+                volume = 1;
+            if (volume < 0)
+                volume = 0;
+
+            List<ScenePresence> avatarts = m_parentGroup.Scene.GetAvatars();
+            foreach (ScenePresence p in avatarts)
+            {
+                p.ControllingClient.SendAttachedSoundGainChange(UUID, (float)volume);
+            }
+        }
+
+        public void SendSound(string sound, double volume, bool triggered, byte flags)
         {
             if (volume > 1)
                 volume = 1;
@@ -1753,7 +1767,7 @@ namespace OpenSim.Region.Environment.Scenes
             LLVector3 position = AbsolutePosition; // region local
             ulong regionHandle = m_parentGroup.Scene.RegionInfo.RegionHandle;
 
-            byte flags = 0;
+            //byte flags = 0;
 
             if (!LLUUID.TryParse(sound, out soundID))
             {
diff --git a/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs b/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs
index f6488136d5..705f27eda2 100644
--- a/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs
+++ b/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs
@@ -411,6 +411,11 @@ namespace OpenSim.Region.Examples.SimpleModule
         {
         }
 
+        public void SendAttachedSoundGainChange(LLUUID objectID, float gain)
+        {
+
+        }
+
         public void SendAlertMessage(string message)
         {
         }
diff --git a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
index 56c6b59642..efcec75a69 100644
--- a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
+++ b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
@@ -1214,13 +1214,14 @@ namespace OpenSim.Region.ScriptEngine.Common
         public void llPlaySound(string sound, double volume)
         {
             m_host.AddScriptLPS(1);
-            m_host.SendSound(sound, volume, false);
+            m_host.SendSound(sound, volume, false, 0);
         }
 
         public void llLoopSound(string sound, double volume)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llLoopSound");
+            m_host.SendSound(sound, volume, false, 1);
+            //NotImplemented("llLoopSound");
         }
 
         public void llLoopSoundMaster(string sound, double volume)
@@ -1244,13 +1245,14 @@ namespace OpenSim.Region.ScriptEngine.Common
         public void llTriggerSound(string sound, double volume)
         {
             m_host.AddScriptLPS(1);
-            m_host.SendSound(sound, volume, true);
+            m_host.SendSound(sound, volume, true, 0);
         }
 
         public void llStopSound()
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llStopSound");
+            m_host.SendSound(LLUUID.Zero.ToString(), 1.0, false, 2);
+            //NotImplemented("llStopSound");
         }
 
         public void llPreloadSound(string sound)
@@ -2609,7 +2611,8 @@ namespace OpenSim.Region.ScriptEngine.Common
         public void llAdjustSoundVolume(double volume)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llAdjustSoundVolume");
+            m_host.AdjustSoundGain(volume);
+            //NotImplemented("llAdjustSoundVolume");
         }
 
         public void llSetSoundQueueing(int queue)