Voice Announce Caller ID audibly announces the name & number of the caller on the handset & base, so you always know who is calling. Communicate with others in the home or office with Push-to-Talk intercom to instantly reach any or all of the cordless handsets. Expand the system up to 12 cordless handsets. Features sleek design & blue backlit keypad & display. Answering System: Digital; Lines: 1; Telephone Type: Cordless; Caller ID / Type: Handset.