att e5921 Manuel D’Utilisation

8

Getting started

Replacing a handset

You may need to de-register your handsets if:

You have the maximum number of registered handsets (four) and 

you need to replace a handset.
- OR -
You wish to change the designated handset number of your reg-

istered 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 �e-��egis��e�� all �an�se��s
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 for about seven seconds.) 

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 6-7.

NOTES:  

1.  If the de-registration process was not successful, you may need to reset the 

system and try again. To reset: pick up any registered handset and press the 

 button, then press the 

 button and place the 

handset back into the 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.

NOT REGISTERED