diff --git a/HdmiCecSink/HdmiCecSink.cpp b/HdmiCecSink/HdmiCecSink.cpp
index a1ac6a75..4a52123b 100644
--- a/HdmiCecSink/HdmiCecSink.cpp
+++ b/HdmiCecSink/HdmiCecSink.cpp
@@ -58,6 +58,7 @@
 #define HDMICECSINK_METHOD_REQUEST_SHORT_AUDIO_DESCRIPTOR  "requestShortAudioDescriptor"
 #define HDMICECSINK_METHOD_SEND_STANDBY_MESSAGE            "sendStandbyMessage"
 #define HDMICECSINK_METHOD_SEND_AUDIO_DEVICE_POWER_ON "sendAudioDevicePowerOnMessage"
+#define HDMICECSINK_METHOD_SEND_AUDIO_DEVICE_MUTE     "sendAudioDeviceMuteMessage"
 #define HDMICECSINK_METHOD_SEND_KEY_PRESS                          "sendKeyPressEvent"
 #define HDMICECSINK_METHOD_SEND_USER_CONTROL_PRESSED          "sendUserControlPressed"
 #define HDMICECSINK_METHOD_SEND_USER_CONTROL_RELEASED         "sendUserControlReleased"
@@ -739,6 +740,7 @@ namespace WPEFramework
            Register(HDMICECSINK_METHOD_REQUEST_SHORT_AUDIO_DESCRIPTOR, &HdmiCecSink::requestShortAudioDescriptorWrapper, this);
            Register(HDMICECSINK_METHOD_SEND_STANDBY_MESSAGE, &HdmiCecSink::sendStandbyMessageWrapper, this);	   
 		   Register(HDMICECSINK_METHOD_SEND_AUDIO_DEVICE_POWER_ON, &HdmiCecSink::sendAudioDevicePowerOnMsgWrapper, this);
+		   Register(HDMICECSINK_METHOD_SEND_AUDIO_DEVICE_MUTE, &HdmiCecSink::sendAVRMuteMsgWrapper, this);
 		   Register(HDMICECSINK_METHOD_SEND_KEY_PRESS,&HdmiCecSink::sendRemoteKeyPressWrapper,this);
 		   Register(HDMICECSINK_METHOD_SEND_USER_CONTROL_PRESSED,&HdmiCecSink::sendUserControlPressedWrapper,this);
 		   Register(HDMICECSINK_METHOD_SEND_USER_CONTROL_RELEASED,&HdmiCecSink::sendUserControlReleasedWrapper,this);
@@ -1388,6 +1390,30 @@ namespace WPEFramework
 	    }
         }
 
+		void HdmiCecSink::systemAVRAudioMuteRequest()
+        {
+	     	if ( cecEnableStatus != true  )
+	     	{
+               LOGINFO("systemAVRAudioMuteRequest: Cec is disabled-> EnableCEC first");
+              return;
+    		} 
+
+            if(!HdmiCecSink::_instance)
+             return;
+            if(!(_instance->smConnection))
+                return;
+             LOGINFO(" Send systemAVRAudioMuteRequest ");
+            _instance->smConnection->sendTo(LogicalAddress::AUDIO_SYSTEM,MessageEncoder().encode(UserControlPressed(UICommand::UI_COMMAND_MUTE)), 1000);
+
+        }
+
+		uint32_t HdmiCecSink::sendAVRMuteMsgWrapper(const JsonObject& parameters, JsonObject& response)
+        {
+	    	LOGINFO("%s invoked. \n",__FUNCTION__);
+            systemAVRAudioMuteRequest();
+	    	returnResponse(true);
+        }
+
         void HdmiCecSink::SendStandbyMsgEvent(const int logicalAddress)
         {
             JsonObject params;
diff --git a/HdmiCecSink/HdmiCecSink.h b/HdmiCecSink/HdmiCecSink.h
index 2bc6d7c6..ac9edf7c 100644
--- a/HdmiCecSink/HdmiCecSink.h
+++ b/HdmiCecSink/HdmiCecSink.h
@@ -563,6 +563,7 @@ namespace WPEFramework {
 			void sendFeatureAbort(const LogicalAddress logicalAddress, const OpCode feature, const AbortReason reason);
 			void reportFeatureAbortEvent(const LogicalAddress logicalAddress, const OpCode feature, const AbortReason reason);
 			void systemAudioModeRequest();
+			void systemAVRAudioMuteRequest();
                         void SendStandbyMsgEvent(const int logicalAddress);
                         void requestAudioDevicePowerStatus();
                         void reportAudioDevicePowerStatusInfo(const int logicalAddress, const int powerStatus);
@@ -642,6 +643,7 @@ namespace WPEFramework {
                         uint32_t requestShortAudioDescriptorWrapper(const JsonObject& parameters, JsonObject& response);
                         uint32_t sendStandbyMessageWrapper(const JsonObject& parameters, JsonObject& response);
 			uint32_t sendAudioDevicePowerOnMsgWrapper(const JsonObject& parameters, JsonObject& response);
+			uint32_t sendAVRMuteMsgWrapper(const JsonObject& parameters, JsonObject& response);
                         uint32_t sendRemoteKeyPressWrapper(const JsonObject& parameters, JsonObject& response);
 			uint32_t sendUserControlPressedWrapper(const JsonObject& parameters, JsonObject& response);
                         uint32_t sendUserControlReleasedWrapper(const JsonObject& parameters, JsonObject& response);