Replacing A Handset - AT&T TL77008 User Manual

Getting started

Replacing a handset

You may need to de-register your handsets if:
You have the maximum number of registered handsets (four) and
need to replace a handset.
-OR-
You wish to change the designated handset number of your
registered handsets.
You must first de-register ALL the handsets, and then re-register
ALL the handsets you wish to use.
Please read carefully through all the instructions on this page
before beginning the de-registration process.
To de-register all handsets
1. Press and hold
for about 10 seconds (until the IN USE light turns on and starts
to flash), then release the
2. Immediately press and release
You must press
is still flashing. (The light flashes about seven seconds. If the
light stops flashing, pick up the handset and place back into
the telephone base, then start again step number one.)
3. The handset(s) will show CONNECTING... and it will take about
10 seconds to complete de-registration. ALL handsets will
show NOT REGISTERED if de-registration was successful.
NOT REGISTERED
HANDSET LOCATOR on the telephone base
HANDSET LOCATOR button.
HANDSET LOCATOR while the IN USE light
9
HANDSET LOCATOR again.