Question about AT&T Lucent MLS-12D Phone
It sounds like the HFAI button on most of the sets is turned off. the HFAI (hands free answer intercom) button is located to the right of the SPKR key. With the handset down press the HFAI button. The green light next to it should light indicating that it is active. If the power goes out or if the phone is unplugged it will return to HFAI off status. hope that helps.
Posted on Feb 09, 2009
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Assign an Extension Number to Your Phone
1 Press program.
2 Press down arrow until the screen displays EXTENSION NO, then press right arrow.
3 Press the up arrow or the down arrow to select the desired extension number (from 11 to 22).
4 Press save store your selection.
NOTE: If you duplicate an extension number, you will hear a repeating
short ring. Repeat Steps 1-4 and assign a different number (from 11 to 22).
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