public: // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CSPSettingsVoIPUtils* NewL();

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CSPSettingsVoIPUtils* NewLC();

        /**

        * Destructors.

        */

        IMPORT_C virtual ~CSPSettingsVoIPUtils();

    public:

        /**

         * Checks is there any VoIP profiles available in service table.

         *

         * @since S60 v3.2

         * @return ETrue if there is at least one VoIP profile.

         */

        IMPORT_C TBool VoIPProfilesExistL() const;

        /**

         * Checks is VoIP supported.

         *

         * @since S60 v3.2

         * @return ETrue if Common Voip and Dynamic VoIP are ON

.        */

        IMPORT_C TBool IsVoIPSupported() const;

        /**

         * Checks the preferred telephony

         *

         * @since S60 v3.2

         * @return ETrue if Common Voip (Feature Manager), 

         *         Dynamic VoIP (Telephony settings) and 

         *         Preferred telephony (Rich call settings) are ON and 

         *         there is at least one SIP-VoIP profile stored

         */

        IMPORT_C TBool IsPreferredTelephonyVoIP() const;

    private:

        /**

        * C++ default constructor.

        */

        CSPSettingsVoIPUtils();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Checks is there any VoIP profiles available in service table.

        */

        TBool IsVoIPSupportedL() const;

        /**

        * Checks the preferred telephony.

        */

        TBool IsPreferredTelephonyVoIPL() const;

    private: // data

        /**

         * Settings engine

         * Own.

         */

        CSPSettingsEngine* iSettingsEngine;