diff -r f742655b05bf -r d38647835c2e voipplugins/svtlogging/inc/svtphonenumbervalidator.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voipplugins/svtlogging/inc/svtphonenumbervalidator.h	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,53 @@
+/*
+* Copyright (c) 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:  
+*
+*/
+
+
+
+#ifndef C_SVTPHONENUMBERVALIDATOR_H
+#define C_SVTPHONENUMBERVALIDATOR_H
+
+#include <e32base.h>
+
+/**
+ *  Provides services to validate phone numbers.
+ *
+ *  @lib svtlogging.dll
+ *  @since S60 v5.1
+ */
+class SvtPhoneNumberValidator
+    {
+
+public:
+
+    /**
+     * Checks whether the given candidate presents phone number. Empty
+     * candidate is considered to be invalid phone number.
+     *
+     * @since   S60 v5.1
+     * @param   aCandidate    Phone number candidate.
+     * @return  ETrue if candidate presents phone number, EFalse otherwise.
+     */
+    static TBool IsValidNumber( const TDesC& aCandidate );
+    
+private:
+    
+    static TBool ContainsValidCharacters( const TDesC& aCandidate );    
+    
+    static TBool AreStartCharactersValid( const TDesC& aCandidate );
+    };
+
+#endif // C_SVTPHONENUMBERVALIDATOR_H