Out of 28 Ratings

Owner's of the AT&T Telephone 1040 gave it a score of 4.0 out of 5. Here's how the scores stacked up:
  • Reliability

    3.96 out of 5
  • Durability

    4.07 out of 5
  • Maintenance

    4.12 out of 5
  • Performance

    4.04 out of 5
  • Ease of Use

    3.9 out of 5
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Intercom operation
Voice page
Room monitor
Make a single-page call to a system phone to
monitor the sounds from that room. To use the room
monitor feature, the destination telephone auto-
mute feature must be turned off (page 35 of the
installation guide).
1. Press [INTERCOM].
2. Press [ENTER] to select PAGE.
3. Enter the destination extension number (20).
4. After your telephone displays PAGE XX, press
[MUTE]. The destination telephone will beep,
then activate its speakerphone automatically.
Now, you can monitor the room of the
destination telephone without being heard.
To end room monitoring, press [INTERCOM] on
your telephone.
Make an intercom conference call
Someone at a system phone having a two-
way conversation on an outside line can invite
someone at an extension to join the conversation.
Follow the directions under Conference calls
on page 22, making sure to establish the non-
intercom call first.
NOTE: You cannot put an intercom conferenceYou cannot put an intercom conference
call on hold.
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