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Troubleshooting
If you have difficulty with your telephone, please try the suggestions below.
For Customer Service, visit our website at www.telephones.att.com, or
call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. Have the
serial number, found on the underside of your phone, available when contacting
customer service. Please retain your receipt as your proof of purchase.
To purchase accessories or replacement parts, please contact customer
service by visiting our website at www.telephones.att.com or calling
1 (800) 222–3111. In Canada, dial 1 (866) 288-4268.
My telephone appears to
be dead.
• Make sure the power adapter is securely
plugged into an outlet not controlled by a wall
switch.
• Make sure the telephone line cords are plugged
firmly into the telephone base and the jack.
• Unplug the telephone’s electrical power. Wait for
approximately 15 seconds, then plug it back in.
Allow up to one minute for the telephone to
synchronize.
• This system is not compatible with any other AT&T
4-line small business telephones, except for the
1080, 1070 and 1040 telephones.
System features,
(intercom, transfer, hold
release, etc.) do not work
with my old AT&T 4-line
telephones (984, 974, 945,
etc.).
• This system is not compatible with any other
AT&T 4-line small business telephones, except
for the 1080, 1070 and 1040 telephones.
Intercom, hold, call pri-
vacy or other advanced
features do not work
properly.
• If you have fiber optic service (digital service to
the building, analog service within the building)
VoIP (Voice over the Internet) service, or cable
telephone service, the router that the system
uses may interfere with system communication.
• If you subscribe to DSL service, you need to
have a DSL splitter installed. See Important
information for DSL users section on page 6 in
this manual.
• Make sure that the LINE GROUP assignment is
correct. See page 43.
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