diff -r 000000000000 -r a4daefaec16c iptel_plat/cch_server_api/inc/cchserviceobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iptel_plat/cch_server_api/inc/cchserviceobserver.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2006-2007 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:  
+*
+*/
+
+
+#ifndef M_CCHSERVICEOBSERVER_H
+#define M_CCHSERVICEOBSERVER_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+#include <cchclientserver.h>
+
+// CONSTANTS
+// None
+
+// MACROS
+// None
+
+// DATA TYPES
+// None
+
+// FUNCTION PROTOTYPES
+// None
+
+// FORWARD DECLARATIONS
+// None
+
+// CLASS DECLARATION
+    
+/**
+ *  CCHServiceObserver declaration.
+ *  @since S60 3.2
+ */
+class MCchServiceObserver
+    {
+
+public: // New functions
+
+    /**
+     * CCchService implementation have to use this callback
+     * method when service state changed. Otherwise CCH doesn't
+     * forward notifications to the clients.
+     * @since S60 3.2
+     * @param aServiceId
+     * @param aSubService Sub service type. 
+     * @param aState a new state of the service.
+     * @param aError KErrNone if no error occured, otherwise see CCHError.h.
+     */
+     virtual void ServiceStateChanged(
+                    const TServiceSelection aServiceSelection,
+                    TCCHSubserviceState aState, 
+                    TInt aError ) = 0;
+
+private:
+    
+    };
+
+#endif // M_CCHSERVICEOBSERVER_H
+
+// End of file