AT&T GL2101 Complete User's Manual page 66

Appendix
Troubleshooting
I cannot dial out.
Try all the suggestions in The display shows No line. I cannot get a dial
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tone mentioned above .
Make sure you have a dial tone before dialing. The handset may take a
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second or two to find the telephone base and produce a dial tone. This is
normal. Wait an extra second before dialing.
Eliminate any background noise. Noise from a television, radio or other
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appliances may cause the phone to not dial out properly. If you cannot
eliminate the background noise, first try muting the handset before dialing,
or dialing from another room in your home with less background noise.
Disconnect the telephone base from the telephone wall jack and plug in a
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working telephone. If the other phones in your home are having the same
problem, the problem is in your wiring or telephone service. Contact your
telephone service provider (charges may apply).
Do not install this phone near a microwave oven or on the same electrical
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outlet. You may experience decreased performance while the microwave
oven is operating.
If your phone is plugged in with a modem or a surge protector, plug the
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phone (or modem/surge protector) into a different location. If this doesn't
solve the problem, relocate your phone or modem farther apart from one
another, or use a different surge protector.
Relocate your phone to a higher location. The phone may have better
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reception when installed in a high area.
Disconnect the telephone base from the telephone wall jack and plug in a
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working telephone. If the other phones in your home are having the same
problem, the problem is in your wiring or telephone service. Contact your
telephone service provider (charges may apply).
The charge light is off.
Make sure the power and line cords are plugged in correctly and securely.
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Unplug the electrical power. Wait for 15 seconds, then plug it back in. Allow up
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to one minute for the handset and telephone base to reset.
Clean the handset and telephone base charging contacts each month using
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a pencil eraser or cloth.
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