This AT&T® CL2909 speakerphone with caller ID/call waiting can be used flat on a tabletop or mounted on a wall and does not require AC power for operation. The CL2909 features a speakerphone for hands free use and a data port that allows the use of another device such as a modem, fax machine, or answering system with the same wall jack. The CL2909 also features a 14-number memory for fast dialing and has a directory that can store up to 25 additional numbers with names.