Replace A Handset - AT&T TL92270 User Manual

Appendix

Replace a handset

If you want to replace a handset or reassign the designated handset number
of a registered handset, you must deregister all the handsets and then
individually register each handset.
To make deregistration easier, read all of the instructions on this page before
you begin.
To deregister all handsets:
1. Press and hold
10 seconds until the IN USE light flashes, then release
/HANDSET LOCATOR.
2. Press /HANDSET LOCATOR again. You must press
while the IN USE light is still flashing. The IN USE light flashes for about
seven seconds.
3. All system handsets show Out of range OR No power at base for a few
seconds and then show Press and hold HANDSET LOCATOR on base for
4 sec, then press # on handset when the deregistration is completed. The
deregistration process takes about 10 seconds to complete.
If deregistration fails, you may need to reset the telephone and try again.
To reset:
• Press and hold
base.
-OR-
• Unplug the power from the telephone base, then plug it back in.
After deregistering, register each handset individually. See Add and register
a handset on page 77.
NOTE: You cannot deregister the handsets if any other system handset is in use.
/HANDSET LOCATOR on the telephone base for about
OFF/CLEAR or place the handset back in the telephone
78
/HANDSET LOCATOR