SIP Ext. No. ....................................................................................................................51Show IP Address ............................................................................................................51Operation Mode ..............................................................................................................51Basic Settings .................................................................................................................52Line Selection .................................................................................................................54TEL Settings ...................................................................................................................54IP Network Settings ........................................................................................................55Protocol Settings ............................................................................................................56VoIP Settings ..................................................................................................................58QoS Settings ..................................................................................................................59System Status Confirmation ...........................................................................................61System Options ..............................................................................................................61Initialisation Features ............................................................................63Erasing Data ....................................................................................................................63Erasing the Redial List ...................................................................................................63Erasing the Phonebook ..................................................................................................63Resetting System Data ...................................................................................................63Resetting All Data ...........................................................................................................63Troubleshooting .....................................................................................64Troubleshooting ..............................................................................................................64General Use ...................................................................................................................64Making and Receiving Calls ...........................................................................................65Sound Quality .................................................................................................................67SD Memory Cards ..........................................................................................................69Phonebook .....................................................................................................................69Programming ..................................................................................................................70Display Messages ..........................................................................................................70Other Information ...................................................................................73Cleaning the Unit .............................................................................................................73Specifications .........................................................................................74Specifications ..................................................................................................................74Index..............................................................................................................76Document Version 2010/02 Operating Instructions 15Table of Contents