Deregister Handsets; Deregister All Handsets From The Telephone Base - AT&T DLP73210 Complete User's Manual

Appendix

Deregister handsets

You may need to deregister your handsets if:
-OR-
You wish to change the designated handset number of your registered
handsets.
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

In addition to the cordless handsets, this operation will also deregister all
cordless headsets and speakerphones registered to 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 /FIND HS on the telephone base for about 10 seconds
(until the telephone base screen shows Deregister all devices?). Release
/FIND HS.
3. Immediately press /FIND HS again. The telephone base shows
Deregistered all devices
4. It takes up to 10 seconds to complete the deregistration process. Before
registering the handset again, wait for the cordless handset screen to display
To register HS... and ...see manual.
5. To register the handset(s) to the telephone base again, follow the
registration instructions on pages 139-140.
Notes:
the telephone base and plug it back in.
To register HS and ...see manual.
141