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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If the telephone is not responding normally, try
the following (in the order listed):
1. Disconnect the power to the telephone base.
2. Disconnect the spare battery (if the set has
3. Wait a few minutes before connecting power to
the telephone base.
4. Re-install the spare battery (if the set has one).
5. Wait for the telephone to synchronize its
connection. This may take up to one minute.
Common cure for
electronic equipment:
• Make sure your remote access code is correct
(see the installation guide for more details).
• If you access the extension mailbox through
a single page call, make sure the extension
number of the extension mailbox telephone is
entered correctly.
• The extension mailbox is in use. Or the two
intercom paths are in use. Wait for a few minutes
then try again.
• There may be interference on the telephone line you
are using. Press the dial pad keys firmly when dialing.
The answering system
does not respond to
internal access
Appendix J
In case of difficulty