While you wait for answers, we may have found some information which could help you.
Success
Message
How can i show calls made to my phone?
bt 1100 twin need to replace broken 2nd handset?
how do i record a telephone conversation on a bt synergi 5500 cordless anse?
how can i fix a bt graphite 1100phone?
How do I connect my own answering machine?
BT Studio 3500 base problem?
telephones?
BT Studio 1500 triple set?
Permanent engaged tone on BT Studio 1100 handset?
how to repair BT 3500 Studio phone base (Master) unit?
Beeping phone BT Studio 1100?
Bt 3500 cordless tel/answerphone?