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
of 74
Cannot join a
conversation in progress.
Display screen is blank.
• Make sure the power cord is connected to both
the phone and an electrical outlet not controlled
by a wall switch.
The call privacy feature
does not work.
• In some installations that have fiber optic service
(digital service to the building, analog service
within the building) the signals to the extensions
may not support the call privacy feature.
• The call privacy feature prevents another set
on the system from interrupting a conversation.
• Make sure you press the LINE button to release
privacy. (See Call privacy on page 21.)
Appendix J
In case of difficulty
Operation during a power
• This phone will operate during a power failure
if a working battery has been installed. You
will be able to answer calls with the handset and
dial calls using the dial pad keys and the
one-touch or redial features. No other
features will work until power is restored. All
programming is retained during a power failure.
Error tone (fast busy sig-
nal) when making a page
• The Do Not Disturb feature is activated at the
extension you are calling.
A double beep sounds
every 30 seconds.
• There is a call on hold at this extension. Press
and release the LINE button of the call on hold
to return to the call and turn off the reminder
• The telephone line cord might be malfunctioning.
Try installing a new telephone line cord.
• Make sure the Do Not Disturb feature is not activated
(page 15).
• If you are on a call, there will be a beep to alert
you of incoming calls on the other lines.