diff -r d7fc66ccd6fb -r e44a8c097b15 vmbx/vmbxengine/src/vmbxvoipengine.cpp
--- a/vmbx/vmbxengine/src/vmbxvoipengine.cpp	Mon May 03 13:01:45 2010 +0300
+++ b/vmbx/vmbxengine/src/vmbxvoipengine.cpp	Fri May 14 16:24:46 2010 +0300
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* Copyright (c) 2009-2010 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"
@@ -166,14 +166,11 @@
 // ----------------------------------------------------------------------------
 //
 TBool CVmbxVoIpEngine::CheckConfiguration( 
-        const TVoiceMailboxParams& /*aParams*/, const TInt aFlags )
+        const TVoiceMailboxParams& aParams, const TInt aFlags )
     {
     VMBLOGSTRING( "VMBX: CVmbxVoIpEngine::CheckConfiguration: =>" );
-    TBool result( ETrue );
-    if ( EVmbxChangeNbrNotAllowedOnUi & aFlags )
-        {
-        result = EFalse;
-        }
+    TBool result( EFalse );
+    result = CVmbxEngineBase::CheckConfiguration(aParams, aFlags);
     VMBLOGSTRING2( "VMBX: CVmbxVoIpEngine::CheckConfiguration: result%I <=",
      result );
     return result;