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AT&T TL88002 - Deregistering handsets

AT&T TL88002
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9
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 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. Press and hold HOLD on the telephone base for about 10
seconds until it shows Deregister all handsets?. Release the
HOLD button.
2. Press the YES soft key. There is a confirmation tone.
3. The deregistration process takes about 10 seconds to complete.
All handsets show Press [HOLD] on base for 4 sec, then press
[#] on handset when the deregistration completes.
If deregistration fails, you may need to reset the telephone and try
again.
To reset:
1. Pick up the registered handset and then press LINE 1/FLASH or
LINE 2/FLASH.
2. Press OFF and then place the handset back in the telephone
base.
-OR-
Unplug the power adapter from the telephone base, then plug it
back in.
NOTES:
You cannot deregister the handsets if any system handset or the telephone base
is in use.
Even if the battery is depleted, you can still deregister the handsets by following
the steps mentioned above. After the handset is charged for at least 10 minutes,
the screen shows Press [HOLD] on base for 4 sec, then press [#] on handset.
Registration and deregistration

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