Expandable cordless phone system allows use of up to twelve handsets. Push-to-Talk and intercom between handsets for convenient, instant communication within the office. White backlit display and lighted keypad for easy viewing in any lighting conditions. Features include multi-handset calls, handset speakerphone, on-hook dialing, intercom call transfer, mute and announced caller ID. Base model with built-in digital answering system. Answering System: Digital Lines: 1 Telephone Type: Cordless .ATTCL82201 .