DESC: The AT&T 959 Speakerphone with Caller ID with Call Waiting can be used on a desk or mounted on a wall and does not require AC power for operation. The 959 features a speakerphone for hands-free use and a data port which allows the use of another device such as a modem, fax machine, or answering system with the same wall jack. The 959 also features a 14 number memory for faster dialing and a directory which can store up to 25 additional numbers with names.