AT&T CL83107 Complete User's Manual page 150

Appendix
Troubleshooting
My calls cut in and out while I'm using my cordless handset.
Other electronic products such as HAM radios and other DECT phones, can
cause interference with your cordless phone. Try installing your phone as
far away as possible from these types of electronic devices.
Do not install this phone near a microwave oven or on the same electrical
outlet. You may experience decreased performance while the microwave
oven is operating.
If you plug your phone in with a modem or surge protector, plug the phone
solve the problem, relocate your phone or modem farther apart from one
Move your telephone base to a higher location. The phone may have
better reception when installed in a high area.
If other phones in your home are having the same problem, contact your
telephone service provider (charges may apply).
Make sure you plug the power and line cords in correctly and securely.
Unplug the electrical power. Wait for 15 seconds, then plug it back in. Allow
up to one minute for the cordless handset and telephone base
to reset.
Clean the cordless handset, charger and telephone base charging contacts
each month with a pencil eraser or cloth.
A blinking CHARGE light is an indication that the battery is not connected
to the handset or is missing completely. Ensure that the battery is
installed properly.
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