Deregistering Handsets; Deregister All Handsets From Your Telephone Base - AT&T CL80113 User Manual

Registration and deregistration

Deregistering handsets

You may need to deregister your handsets if:
• You have 12 registered handsets and need to replace a handset.
-OR-
• You wish to change the designated handset number of your
registered handsets.
You must first deregister ALL the handsets, and then register each
handset you wish to use again, one at a time.
Please read carefully through all the instructions on this page
before beginning the deregistration process.

Deregister all handsets from your telephone base

1. Make sure that all handsets are out of the telephone base and
chargers before you begin deregistration.
2. Press and hold
for about ten seconds (until the IN USE light starts to flash). The
telephone base screen shows Registering... Please wait for five
seconds, then it shows Deregister all devices? Release
/HANDSET LOCATOR.
3. Immediately press
USE light is still flashing. (If the light stops flashing, start again
with Step 1 above.)
4. It takes up to ten seconds to complete deregistration. Before
registering the handset again, wait for the cordless handset
screen to display To register HS, see manual.
5. To register the handset(s) to the telephone base again, follow the
instructions on pages 8-9.
NOTES:
• If the deregistration process is not successful, you might need to reset the system
and try again. To reset, unplug the power from the telephone base and plug it back in.
• You cannot deregister the handset(s) if any other system handset is in use.
• Even if the battery is depleted, you can still deregister the handset by following
the steps above. After the handset is charged for at least ten minutes, the screen
shows To register HS, see manual.
/HANDSET LOCATOR on the telephone base
/HANDSET LOCATOR again while the IN
10