AT&T 5643B User Manual page 45

5.8 ghz cordless telephone/answering system
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91-000832_E5644B CIB_R4.qxd
Appendix
Troubleshooting
Problem
The telephone
does not ring
when there is
an incoming call
I cannot dial out
2/13/1950
7:21 PM
Suggestion
Make sure the ringer is on. (See page 17 for handset and page 30 for
telephone base).
Make sure the telephone line cord and power adapter are plugged in
properly (see page 7).
The cordless handset may be too far from the telephone base. Move
it closer to the telephone base.
There may be too many extension phones on the telephone line to
allow all of them to ring simultaneously. Try unplugging some of
them.
Other electronic products can cause interference to your cordless
telephone. Try installing your telephone as far away as possible from
the following electronic devices: wireless routers, radios, radio tow-
ers, pager towers, cellular telephones, digital telephones, intercoms,
room monitors, televisions, VCRs, personal computers, kitchen appli-
ances, and other cordless telephones.
Test a working telephone at the telephone jack. If another telephone
has the same problem, the problem is in the telephone jack, the
wiring, or the local service. Contact your local telephone company
(charges may apply).
The telephone line cord might be malfunctioning. Try installing a new
telephone line cord.
Re-install the battery and place the cordless handset in the telephone
base.
Wait for the cordless handset to synchronize with the telephone
base. To be safe, allow up to one minute for this to take place.
Make sure there is a dial tone before dialing. It is normal if the cord-
less handset takes a second or two to synchronize with the tele-
phone base before producing a dial tone. Wait an extra second
before dialing.
Make sure the telephone is set to the correct dial mode (pulse dial or
tone dial) for the service in your area. Refer to the Telephone
Operation section of this user's manual (page 18 ) to set the dial
mode.
If the other telephones in your home are having the same problem,
the problem is in the telephone jack, wiring or local service. Contact
the local telephone company (charges may apply).
Eliminate any background noise. Noise from a television, radio, or
other appliances may cause the telephone to not dial out properly. If
you cannot eliminate the background noise, first try muting the cord-
less handset before dialing, or dialing from another room in your
home with less background noise.
43
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