•Message: read an incoming message or send anew message.•Mute keys/Send keys: switch the key tones onor off.Menu functionsAll menu options listedCall register(Menu 1)Use this menu to view the calls you have dialled,To communicate with answering machines orcomputerised telephone systems,Send keysmustbe selected.X490.bookPage 25Friday, December 2, 20053:34 PM