Performs as advertised
The AT&T ML17939 is a 2-line telephone. Although I only need a 1-line phone I chose this unit for its features: answering system with intuitive controls, one-button speed calls with names on an open printed list and speaker. The large buttons give it a toy appearance and I would have rather had the typically smaller buttons, but a person gets used to the 3/4-inch buttons. I experienced no problems in set-up, hook-up or use. To get rid of a message warning that one line was disconnected I plugged the same line into both jacks using the two cables that came with the unit. While basic calling can be made without batteries I inserted batteries to get full functioning of all options. I would have preferred a phone without the need for batteries, however. I recommend this telephone.
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