diff -r 000000000000 -r a4daefaec16c sipvoipprovider/svphold/inc/svpholdstatebase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/svphold/inc/svpholdstatebase.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,93 @@
+/*
+* 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:  Base class for state.
+*
+*/
+
+
+#ifndef SVPHOLDSTATEBASE_H
+#define SVPHOLDSTATEBASE_H
+
+#include <e32base.h>
+
+class CSVPHoldContext;
+
+/**
+*  Base class for state.
+*  
+*  @lib svp.dll
+*  @since Series 60 3.2
+*/
+class CSVPHoldStateBase : public CBase
+    {
+public:  // Constructors and destructor
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CSVPHoldStateBase();
+
+public: // New functions
+    
+    /**
+    * Applies the current state. Called after the state transition.
+    * Leaves on error.
+    * @since Series 60 3.2
+    * @param aContext The Context of hold
+    */
+    void ApplyL( CSVPHoldContext& aContext );
+
+    /**
+    * Called when the state is entered, before it is applied.
+    * @since Series 60 3.2
+    * @param aSession The MCE session
+    */
+    void Enter( CSVPHoldContext& aSession );
+
+    /**
+    * Checks if OutEstablishingState is active.
+    * @since Series 60 3.2
+    * @return ETrue if establishing state active, EFalse otherways
+    */
+    virtual TBool IsOutEstablishingStateActive();
+
+   
+protected:  // New functions
+    
+    /**
+    * Applies the current concrete state. Leaves on error.
+    * @since Series 60 3.2
+    * @param aContext SVP Hold context
+    * @return None
+    */
+    virtual void DoApplyL( CSVPHoldContext& aContex ) = 0;
+
+    /**
+    * Called when the state is entered. Implemented by
+    * concrete states.
+    * @since Series 60 3.2
+    * @param aContext SVP Hold context
+    * @return None
+    */
+    virtual void DoEnter( CSVPHoldContext& aContex ) = 0;
+    
+    /**
+    * C++ default constructor.
+    */
+    CSVPHoldStateBase();
+        
+    };
+
+#endif      // SVPHOLDSTATEBASE_H 
+