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