We may have found other answers which could help you.
Success
Message
BT Synergy 3505 I can't hear them but they can hear me?
Bt Duet 700?
How To Straighten A Tangled Corded Telephone?
Radio cordless phone?
BT DIVERSE X10 ADD HANDSET PROBLEM?
BT external connectors?
Base not working properly?
can my BTeasIcom 1000 corded telephone be repaired?
BT Telephone extension?
moving phone supply point?
my phone crackles?
Additional handset/base?