--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/inc/svpvolumeupdateobserver.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,44 @@
+/*
+* Copyright (c) 2009 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:  Observers changes in volume levels, used by SVPVolumeObserver
+*
+*/
+
+
+#ifndef M_SVPVOLUMEUPDATEOBSERVER_H
+#define M_SVPVOLUMEUPDATEOBSERVER_H
+
+/**
+ *  Observers volume level changes 
+ *
+ *  @lib svp.dll
+ *  @since S60 3.2
+ */
+class MSVPVolumeUpdateObserver
+    {
+
+public:
+
+    /**
+     * CSVPVolumeObserver calls this when volume level changes
+     * changed. 
+     *
+     * @since S60 3.2
+     * @param aVolume New volume level
+     */
+    virtual void VolumeChanged( TInt aVolume ) = 0;
+    
+    };
+
+#endif // M_SVPVOLUMEUPDATEOBSERVER_H