Corded 1-Line Multi-Function Telephone with Caller ID and Speakerphone. Large 3-line backlit LCD display with 70 phonebook directory. Call waiting/Caller ID with 99-number memory. 3-programmable multi-function keys/20 Speed Dial. 3-way conferencing and transfer. Acoustically-enhanced speakerphone. Data port. Voicemail indicator light. One touch voice mail dialing. Ratcheting/adjustable base. Centrex compatible. Desk and wall mountable. Headset ready. Handset, headset and speakerphone volume controls. Includes AC adapter.