AT&T TL7700 - Manual (Page 28)

Appendix
24
Troubleshooting
I cannot register the headset.
You must be using a compatible AT&T DECT 6.0 telephone. Visit
www.telephones.att.com
for a list of compatible telephones.
Your DECT 6.0 telephone has a maximum number of
handsets that may be registered to the telephone base. In
terms of registration, the telephone base treats a headset
like a handset. Refer to your telephone user’s manual for
the maximum number of handsets allowed. If the maximum
number of handsets are already registered, you need to follow
the deregistration instructions in the telephone user’s manual,
then register the handsets and/or headsets you wish to use
again, one at a time.
The light on the headset is off while charging.
Make sure the power and line cords are plugged in correctly
and securely.
Make sure that the battery is securely installed in the
cordless headset.
Make sure the headset is sitting properly in the charger
to charge.
Unplug the unit’s electrical power. Wait for 15 seconds,
then plug it back in. Allow up to one minute for the cordless
headset and headset charger to reset.
Clean the cordless headset and headset charger charging
contacts each month using a pencil eraser or dry cloth.
Your headset or headset charger might be defective. Refer to the
Limited warranty section on pages 34-37 for further instructions.
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