If you need some help, call us on 0800 145 6789* or go to bt.com/producthelp If you need some help, call us on 0800 145 6789* or go to bt.com/producthelp If you need some help, call us on 0800 145 6789* or go to bt.com/producthelp 
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If you’ve bought a BT8610 multiple pack, any additional handsets come 
pre-registered to the base. However, if you purchase another additional 
handset separately, you must register it to your BT8610 base before it 
canbeused.YoucanregisteruptoveGAPcomplianthandsetstoyour
BT8610 base.
Register an additional BT8610 handset
1. Select Menu, scroll 
 to display Settings and press Select.
2. Press 
 to highlight Registration and press Select.
3. Register is highlighted, press Select. 
4. Press and hold Find button on base is displayed.
5. Press and hold 
 on the base until you hear a beep and the In use light 
startstoash.
6. Immediately, select OK on the handset. The handset will display 
Registering handset to indicate the base is in registration mode. If you 
have changed the system PIN from 0000 you will be prompted to enter it, 
then select 
OK.
7. Once registration is successful the handset will show Handset x registered 
(with X being the assigned handset number). The handset will then 
synchronise data with any other registered handsets, e.g. contacts, speed 
dials, handset names and text messages.
  You have 2 minutes to complete the registration process. After 2 minutes 
Using additional handsets