Answering Phone System, 5.8GHzExpandable, w/ CID, Silver Answering System features 5.8GHz frequency hopping DSS. Expandable to six handsets. Number announce Caller ID. Large graphical display in handset and base. Features hands-free speakerphone in handset and base. Six polyphonic ringer tones and vibrating ringer. Answering system access from cordless handset. Light set handset keypad. 50 name and number directory. English/Spanish/French display menu. Intercom between handsets. Integrated digital answering system with 15-minute record time. Caller ID/Call Waiting. 50 name/number Caller ID log. Power failure operation. Spare battery charger. Optional 5.8GHz Cordless Expansion Handset features a backlit keypad, large lighted display with graphics, Icon driven menu, image wallpaper, polyphonic musical ring tones, personalized ringing option, two-way page/intercom, handset speakerphone, handset vibrating ringer, accessory handset, Image ID and advanced antenna design. Functions include conferencing/call transfer and more. Headset compatible.