DESC: DECT 6.0 digital system Handset speakerphone 50 name/number phonebook directory Lighted keypad on handset Large lighted display on handset Selectable ringer melodies Handset and ringer volume control Any key answer 9 number speed Dial on-hook Dialing auto off Mute Last 5 number redial Table/wall mountable Caller ID Call waiting Digital answering system Replacement battery: Ace no.