While you wait for answers, we may have found some information which could help you.
Success
Message
binatone shield 6015 twin phone set?
flashing new message light when call has been answered?
How do I connect my own answering machine?
how can i fix a bt graphite 1100phone?
keeps saying out of range?
How can I get my telephone/answering machine (model 29870ge1-A)to work?
information needed?
BT Studio 1500 triple set?
Day Display - How do I alter?
how do i record a telephone conversation on a bt synergi 5500 cordless anse?
base 1 again?
Fix answer machine number?