diff -r 000000000000 -r a4daefaec16c callcontinuity/vcchotrigger/inc/vccgsmnotifications.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/callcontinuity/vcchotrigger/inc/vccgsmnotifications.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2007-2008 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:   Activates the notification of gsm signal level strengths
+*
+*/
+
+
+
+#ifndef VCCGSMNOTIFICATIONS_H_
+#define VCCGSMNOTIFICATIONS_H_
+
+#include <etelmm.h> 
+
+/**
+ *  Observer which will receive notification about gsm signal level changes
+ *
+ *  @lib vcchotrigger.lib
+ *  @since S60 3.2
+ */
+class MVccGsmNotifications
+    {
+    public:
+        /**
+        * Constructor.
+        *
+        * @since S60 3.2
+        */
+        virtual void GsmStrengthChanged( TInt32 aStrength ) = 0;
+    };
+    
+/**
+ *  Clas which starts and stops notification of the gsm signal level 
+ *
+ *  @lib vcchotrigger.lib
+ *  @since S60 3.2
+ */
+class CVccGsmNotifications : public CActive
+    {
+    public:
+        /**
+        * Two-phased constructor.
+        *
+        * @param aPhone RMobilePhone
+        */
+        static CVccGsmNotifications* NewL( RMobilePhone& aPhone );
+        
+        /**
+        * Destructor.
+        */
+        ~CVccGsmNotifications();
+        
+        /**
+         * Activates gsm signal level notification
+         *
+         * @since S60 3.2
+         * @param aObserver observer which will receive notification
+         * @param aLow value for low signal level
+         * @param aHigh value for high signal level
+         *
+         */
+        void ActivateNotifications( MVccGsmNotifications* aObserver, TInt32 aLow, TInt32 aHigh );
+        
+        /**
+         * Cancels gsm signal level notification
+         *
+         * @since S60 3.2
+         */
+        void CancelNotifications();
+    
+    protected:
+        
+        /**
+         * Symbian second-phase constructor
+         */
+        void ConstructL();
+        
+        /**
+         * C++ constructor
+         */
+        CVccGsmNotifications( RMobilePhone& aPhone );
+    
+    private: // From CActive
+        
+        /**
+         * @see CActive::RunL()
+         */
+        void RunL();
+        
+        /**
+         * @see CActive::Cancel()
+         */
+        void DoCancel();
+    
+    private:
+        /**
+        * RMobilePhone handle
+        * Not own
+        */
+        RMobilePhone& iPhone;
+        
+        /**
+         * Observer
+         * Not own
+         */
+        MVccGsmNotifications* iObserver;
+        
+        /**
+        * Gsm signal strength value
+        */
+        TInt32 iStrength;
+
+        /**
+        * Gsm signal bar value
+        */
+        TInt8 iBar;
+        
+        /**
+        * Gsm signal strength value for low signal level
+        */
+        TInt32 iLow;
+
+        /**
+        * Gsm signal strength value for high signal level
+        */
+        TInt32 iHigh;
+    };
+
+#endif // VCCGSMNOTIFICATIONS_H_