AT&T TL88102 User Manual download pdf (Page 83)

Appendix

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 the telephone base

1. Remove any handset from the telephone base. Press and hold HOLD on

the telephone base for about 10 seconds until the telephone base displays

Deregister all handsets?

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 a handset if any system handset or telephone base is in use.

Even if the battery is depleted, you can still deregister the handsets by following the steps

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.

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AT&T TL88102 User Manual Page 83