Installation preparation You must install the power See pages 4-5 for easy adapter before using the instructions. telephone. If you subscribe to high speed Internet service (DSL - digital subscriber line) through your telephone line, you must install a DSL filter between each telephone line cord and telephone wall jack (pages 4 and 5).
This quick start guide provides basic instructions. For additional installation options and complete instructions that enable you to use all features of this telephone, refer to your AT&T ML17939 Two-line corded telephone/answering system with caller ID/call waiting user’s manual. Optional backup battery installation Install three AA alkaline batteries (purchased separately) to use this telephone in the event of a power failure.
Telephone installation Telephone base installation Install the mounting bracket for tabletop use. Option 1: To install your telephone in a low tabletop position, insert the fixed tabs of the mounting bracket into slots . Press the flexible tabs into slots until they click into place.
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Telephone installation Connect the telephone line cord(s) and the power cord to the telephone base. If you subscribe to high speed Internet service (DSL - digital subscriber line) through your telephone line, you must install a DSL filter between each telephone line cord and telephone wall jack.
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Telephone installation Option 2: If you have two one-line wall jacks, install your telephone base, as shown below. Plug the other end of Plug the other end of the black telephone the clear telephone line cord (4-conductor) line cord (-conductor) into the wall jack.
Quick reference guide DELETE ENTER Press to delete the displayed directory or call history entry. Press to select a menu item or to Press to backspace and erase a digit or character. save a setting. During message playback, press to delete the message currently playing. When the telephone is idle, press to delete all old messages.
Quick reference guide fLASH PAuSE During a call, press to answer an incoming call Press to insert a two-second when you receive a call waiting alert. dialing pause in a number stored in the directory or speed dial (AuTO) REDIAL memory.
Basic operation The telephone is set to use line 1 by default for making calls. To change the primary line, see Set the primary line in the user’s manual. When you answer a call, the telephone automatically selects the ringing line. making, answering or ending a call Elapsed time Elapsed time...
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Basic operation To answer a call: Lift the handset, press SPEAKER or HEADSET. • -OR- Press the LINE button of the ringing line to answer the call with the preferred mode (see Choose the preferred mode in the user’s manual). On hook dialing (predialing) Press the dialing keys to enter a telephone number.
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Basic operation message playback /PLA� LINE 1/LINE 2 to listen to messages on the Press /STOP corresponding line. Options during message playback: Press vOL - or vOL + to adjust the speaker volume. • • Press /SKIP to skip to the next message. •...
Answering system settings Record outgoing announcements You can record two announcements for each mailbox (Annc A and Annc B). The default greeting for announcements A and B is “Hello, please leave a message after the tone.” You can use this default announcement or replace it with your own.
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Answering system settings Call screening Use this feature to set whether incoming messages are played through the speaker while they are being recorded. Call screening is On by default. When the telephone is idle, press mENu. Press to scroll to Answering sys. Press ENTER. Ans sys setuP M1 Call screening to scroll to mailbox 1 or mailbox 2...