DESC: All Northwestern Bell Phones products are manufactured according to strict BELL quality standards to ensure quality, dependability and durability. This sleek desktop phone has all the basic features and a small size that saves workspace. It also features Caller ID display and CALL BACK - the feature that allows you to automatically dial the number of the person who has called previously.??This 77519 wall mountable slim line phone with Caller ID on the back of the handset provides a 73-position call log, 3-line LCD, one-touch call back, message waiting, clock, illuminated keypad, redial, ringer on/off and more.