Replacing A Handset - AT&T E5901 User Manual

Appendix

Replacing a handset

It may be necessary 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 hand-
sets.
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 begin-
ning the de-registration process.
To de-register all handsets
1. Press and hold
seconds (until the IN USE light turns on and starts to flash), then release
the HANDSET LOCATOR button.
2. Immediately press and release
press HANDSET LOCATOR while the IN USE light is still flashing. (The
light flashes for about seven seconds. When the light stops flashing, pick
up the handset and place it back into the telephone base, then start again
with step number one above).
3. The handset(s) will show CONNECTING... and it will take about 10 seconds
to complete the de-registration. ALL handsets will show NOT REGISTERED
if de-registration is successful.
NOT REGISTERED
4. To re-register the handset(s) to the telephone base, follow the registration
instructions on page 36.
NOTES:
1. If the de-registration process is not successful, it may be necessary to reset the system
and try again. To reset: pick up the handset and press
OFF/ and place the handset back into the telephone base. You may also reset by
CLEAR
unplugging the power from the telephone base and plugging it back in.
2. You cannot de-register the handset(s) if any telephone connected to the same telephone line
is in use.
HANDSET LOCATOR on the telephone base for about 10
HANDSET LOCATOR again. You must
PHONE/
37
, then press
FLASH