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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Telephone operation
Basic phone operation
Conference calls
This feature lets you set up a three-party call by
using two lines at the same time. You can also
join an intercom call with a call on an outside
line. The outside line call must be established first
because an intercom call cannot be placed on
1. Make or answer an outside call.
2. Press and release [HOLD].
3. Call someone on another line, or intercom
4. When this call is answered, press
[CONFERENCE]. The three-party conference
begins immediately.
To talk privately with one party (two-line
conference only):
1. Press [HOLD] to place both lines on hold.
2. Press a [LINE] button to talk privately with the
person on that line.
3. Press [CONFERENCE] to resume the
conference call.
To drop one line:
Press the [LINE] button of the party you want to
keep. The other line will be dropped.
To drop an extension:
Press the [LINE] button twice. The other system
extension will hang up.
To end a two-line conference call, hang up. All
parties will disconnect.
To end a two-extension conference call, hang
up on both system extensions. All parties will
Occasionally, the far-
end parties on a
conference call might
not hear one another.
If you are experiencing
difficulty in using the
conference features
on this phone, please
consider using
AT&T’s complete line of
teleconference services
to find a solution that
best meets your needs.
AT&T TeleConference
Services reduces travel
time and expense
while increasing
productivity wherever
people are located
allowing you to host
truly virtual meetings
and share important
information in real
time. To sign up for
AT&T TeleConference
Services, go to:
for details.