diff -r 7d48bed6ce0c -r 987c9837762f convergedcallengine/csplugin/inc/mcspremotealertingtoneobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedcallengine/csplugin/inc/mcspremotealertingtoneobserver.h	Wed Sep 01 12:15:03 2010 +0100
@@ -0,0 +1,48 @@
+/*
+* Copyright (c)  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:  Observer for remote alerting tone change.
+*
+*/
+
+
+#ifndef MCSPREMOTEALERTINGTONEOBSERVER_H
+#define MCSPREMOTEALERTINGTONEOBSERVER_H
+
+#include <e32std.h>
+#include <rmmcustomapi.h>
+
+/**
+ *  Observer for remote alerting tone status changes.
+ *
+ *  @lib CSPlugin
+ *  @since S60 v5.0
+ */
+NONSHARABLE_CLASS( MCSPRemoteAlertingToneObserver )
+    {
+
+public:
+
+    /**
+     * Notification of remote alerting tone status change.
+     *
+     * @since S60 v5.0
+     * @param aNewStatus New remote alerting tone status. 
+     */
+    virtual void RemoteAlertingToneStatusChanged( 
+        RMmCustomAPI::TRemoteAlertingToneStatus aNewStatus ) = 0;
+
+    };
+
+
+#endif // MCSPREMOTEALERTINGTONEOBSERVER_H