--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneuis/telephonydevicemode/inc/MTelDMCallStateObserver.h	Fri Jul 09 15:40:55 2010 +0300
@@ -0,0 +1,48 @@
+/*
+* Copyright (c) 2006 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:  Header file for MTelDMCallStateObserver class.
+*                
+*
+*/
+
+
+#ifndef MTELDMSTATEOBSERVER_H
+#define MTELDMSTATEOBSERVER_H
+
+// INCLUDES
+
+//CLASS DECLARATION
+
+/**
+* Call state mode observer.
+*
+*  @since 3.1
+*/
+class MTelDMCallStateObserver 
+    {
+ 
+    public: // New functions
+
+        /**
+        * Notify changes of calls
+        * @param  Call state from TelephonyInternalPSKeys.h
+        * @return none
+        */
+        virtual void CallStateChangedL( TInt aCallState ) = 0;
+
+     };
+
+#endif      // MTELDMSTATEOBSERVER_H
+            
+// End of File