How do i register a BT studio 1000 hanset to a 1100 base

your manual should explain it for you.

Check and replace the battery.

press hold power button for 5 sec and reset and re pair the device

1. Check the manual of your new handset on how to set it to registration mode.

Then on your BT Studio Base

2. Press and hold the base (page) button for at least 10 seconds until you hear the validation tone. then release. That's it.

for this model, you can only use up to 2 handsets.

hope it helps.

uk-surplus.com/manuals/freestyle2200.pdf - United Kingdom
user guide above. please download
Please follow the instructions in the manual and no doubt you will get it all working again.
You most likely simply need to reset and re-register it with the Base.

the base of my studio 3100 wont stop flashing

Help
My Bt Studio 3100 cordless telephone ( 2 Pack ). I have carried out the setting up procedures as per instructions.
Handset batteries are fully charged, but I am not getting the dialling tone.

To Mrs Sue Groom,
You probably need to register the handsets to the base.This is the user manual for the BT Studio 1500
http://www.shop.bt.com/content/uni2/documentation/43py/023626.pdf