diff -r f15ac8e65a02 -r 779871d1e4f4 videotelephony_plat/video_telephony_control_mediator_api/inc/videotelcontrolmediatorapi.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videotelephony_plat/video_telephony_control_mediator_api/inc/videotelcontrolmediatorapi.h	Wed Sep 01 12:29:12 2010 +0100
@@ -0,0 +1,67 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Video Telephony specific message services sent from Phone
+*                Application to Video Telephony.
+*
+*/
+
+
+#ifndef VIDEOTELCONTROLMEDIATORAPI_H
+#define VIDEOTELCONTROLMEDIATORAPI_H
+
+// INCLUDES
+#include <e32base.h>
+
+/**  The category UID for the messages in this header file. */
+const TUid KCatPhoneToVideotelCommands = { 0x200159A1 };
+
+/**  Version number of this API */
+const TInt KPhoneToVideotelCmdVersionMajor( 1 );
+const TInt KPhoneToVideotelCmdVersionMinor( 0 );
+const TInt KPhoneToVideotelCmdVersionBuild( 0 );
+
+/** package for passing dataport name to Video Telephony */
+typedef TPckgBuf<TName> TDataPortPackage;
+
+/**  Video Telephony related commands. */
+enum TPhoneToVideotelCommands
+    {
+    /**
+     * Commands Video Telephony to enable microphone.
+     */
+    EVtCmdUnmute = 0,
+    
+    /**
+     * Commands Video Telephony to disable microphone.
+     */
+    EVtCmdMute,
+        
+    /**
+     * Commands Video Telephony to use dataport. Command paramemeter is
+     * TDataPortPackage. This should be called when dataport is loaned.
+     * When this is sent, dataport recovery is allowed only after
+     * 1) later issued EVtCmdShutdown response is received.
+     * 2) call is ended by network/peer (i.e. local phone doesn't do hangup)
+     * 3) EPhoneCmdEndActiveCall command is received (see Mediator Commands To 
+     *    Telephony API)
+     *  Otherwise H.245 (VT) signalling may fail if call is released in two
+     *  stage.
+     */
+    EVtCmdUseDataport,
+    
+    EVtCmdReleaseDataport
+    };
+
+#endif // VIDEOTELCONTROLMEDIATORAPI_H
+