While you wait for answers, we may have found some information which could help you.
Success
Message
How can I repair my phone?
How can i get my handset to speak with the caller?
How do i clear the TAM?
Battery cover?
Bt 4600 phone?
BT Studio 4500 cordless telephone?
BT 4600 twin one handset bot ringing?
BT 4600 phone problem?
My bt freestyle phone don't ring or con?
How can I mend my BT4600 (1+1) phone?
TAM FULL on Binatone 1420 Single, base holds old messages th?
Problem with handsets?