Replace A Handset - AT&T TL86009 User Manual

Adding handset to your telephone base

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 FLASH on the telephone base for about
4 seconds until it shows Deregister all handsets?. Then,
release the button.
2. Press the YES softkey to continue. You hear a confirmation tone
from the telephone base.
The telephone base displays PLEASE WAIT.... All system
3.
handsets show Out of range OR no power at base for a few
seconds, and then you hear a confirmation tone from the
handset.
All the handsets show Press [HOLD] on base for 4 sec, then
4.
press [#] on handset when the deregistration completes. The
deregistration process takes about 10 seconds to complete.
If deregistration fails, you may need to reset the telephone and try
again.
To reset:
• 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 11.
NOTES:
• You cannot deregister the handset(s) if any other system handset is in use.
• During deregistration, all cordless handset(s) and DECT 6.0 cordless
headset(s) will also be deregistered.
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