AT&T 1040 - Manual (Page 71)

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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
one).
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
commands.
Appendix J
In case of difficulty
• Check the central (general) mailbox(es) for the
messages.
• Check Line Group setting (see page 43 of the
installation guide for directions).
Some messages for
specific extensions were
not recorded.
My phone beeps for no
reason. • If someone is trying to assign your phone’s
extension number to another phone, your phone
will sound a warning beep, and display, “IS
ALREADY USED.”