diff -r 7d48bed6ce0c -r 987c9837762f convergedcallengine/csplugin/inc/cspremotealertingtonelistener.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedcallengine/csplugin/inc/cspremotealertingtonelistener.h	Wed Sep 01 12:15:03 2010 +0100
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 2008-2008 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:  Listens remote alerting tone status changes
+*
+*/
+
+
+#ifndef CSPREMOTEALERTINGTONELISTENER_H
+#define CSPREMOTEALERTINGTONELISTENER_H
+
+#include <e32base.h>
+#include <rmmcustomapi.h>
+
+class MCSPRemoteAlertingToneObserver;
+
+/**
+ *  Listens remote alerting tone changes.
+ *
+ *  @lib CSPlugin.lib
+ *  @since S60 v5.0
+ */
+NONSHARABLE_CLASS( CSPRemoteAlertingToneListener ) : public CActive
+    {
+public:
+    
+    /**
+     * Two-phased constructor.
+     * @param aCustomAPI Connected custom API instance.
+     * @param aObserver Observer of the remote alerting tone chnages.
+     */
+    static CSPRemoteAlertingToneListener* NewL( 
+        RMmCustomAPI& aCustomAPI,
+        MCSPRemoteAlertingToneObserver& aObserver );
+    
+
+    /**
+    * Destructor.
+    */
+    virtual ~CSPRemoteAlertingToneListener();
+
+    /**
+     * Starts listening remote alerting tone changes. Observer is notified
+     * when change occurs. Listening stops when Cancel is called or listening
+     * instance is deleted.
+     *
+     * @since S60 v5.0
+     */
+    void StartListening();
+
+protected:
+
+// from base class CActive
+
+    void DoCancel();
+    
+    void RunL();
+    
+private:
+    
+    CSPRemoteAlertingToneListener( 
+        RMmCustomAPI& aCustomAPI,
+        MCSPRemoteAlertingToneObserver& aObserver );
+
+private: // data
+
+    /** 
+     * For listening changes in remote alerting tone status.
+     * Not own.
+     */
+    RMmCustomAPI& iCustomAPI;
+    
+    /**  
+     * Status of the remote alerting tone.
+     */
+    RMmCustomAPI::TRemoteAlertingToneStatus iRATStatus;
+    
+    /**
+     * Change observer.
+     */
+    MCSPRemoteAlertingToneObserver& iObserver;
+
+    };
+
+#endif // CSPREMOTEALERTINGTONELISTENER_H