AT&T E5913B - Manual (Page 49)

46
Appendix
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
HANDSET LOCATOR on the telephone base for about 10
seconds (until the IN USE light turns on and starts to flash), then release
the
HANDSET LOCATOR button.
2. Immediately press and release HANDSET LOCATOR again. You must
press HANDSET LOCATOR while the IN USE light 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.
4. To re-register the handset(s) to the telephone base, follow the registration
instructions on page 45
.
NOTES:
1. If the de-registration process was not successful, you may need to reset the system and try again.
To reset: pick up the handset and press the PHONE/
FLASH
button, then press the OFF/
CLEAR
button and place the handset back into the telephone base. You may also reset by unplugging the
power from the telephone base and plug it back in.
2. You cannot de-register the handset(s) if any phone connected to your phone line is in use.
Replacing a handset
NOT REGISTERED