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