AT&T MLS-Series - Manuals

Telephone Buttons and Indicators Display [MLS-18D® and MLS-12D® only]When making a call, shows the number dialed andduration of call. When receiving an intercom call, showsthe number of the extension calling. When not using thephone, displays today’s date and time. (You can adjustthe display contras...

System Speed Dial Numbers Record System Speed Dial numbers—programmed only at extension 10—in the boxes below. To dial a System Speed Dial number: Press [ Feature ] followed by the Dial Code. Dial Dial Dial Code Name Code Name Code Name 20 40 60 21 41 61 22 42 62 23 43 63 24 44 64 25 45 65 26 46 66 ...

Ringing Patterns You can tell the type of call coming in by the way the phone rings: Ring...Ring...Ring...Ring...Ring...Ring... Outside Call Ring-BEEP...Ring-BEEP...Ring-BEEP... Inside Call Ring-BEEP-BEEP...Ring-BEEP-BEEP... Transferred Call If Unique Line Ringing is active, all incoming outside cal...