AT&T CL2939 User Manual page 46

Big button big display telephone/speakerphone with caller id/call waiting
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Appendix
Troubleshooting
The telephone does not
ring when there is an
incoming call.
Make sure to set the DIAL MODE to the correct
setting (pulse dialing or tone dialing) for the
service in your area (see Feature summary on
page 15).
If any of your other telephones are having the
same problem, the problem is in the wiring
or telephone service. Contact your telephone
service provider (charges may apply).
If you are using the speakerphone, eliminate
any background noise. Noise from a television,
radio, or other appliances might cause the
telephone to not dial out properly. If you
cannot eliminate the background noise, first try
muting the telephone before dialing, or dialing
from another room in your home with less
background noise.
Make sure the ringer is on (see Ringer volume
on page 13).
Make sure the telephone line cord is plugged
in properly (see Telephone installation on
page 8).
There might be too many extension telephones
on the telephone line to allow all of them
to ring simultaneously. Try unplugging one
telephone at a time until the telephones start
ringing.
Test a working telephone at the same
telephone jack. If another telephone has the
same problem, the problem is in the telephone
jack. Contact your telephone service provider
(charges may apply).
The telephone line cord might be
malfunctioning. Try installing a new telephone
line cord.
41

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