While you wait for answers, we may have found some information which could help you.
Success
Message
BT 4600 twin one handset bot ringing?
Problem with handsets?
TAM FULL on Binatone 1420 Single, base holds old messages th?
How can I repair my phone?
My bt freestyle phone don't ring or con?
How can i get my handset to speak with the caller?
BT 4600 phone problem?
How can I mend my BT4600 (1+1) phone?
Battery cover?
How do i clear the TAM?
Bt 4600 phone?
How can I mend my Telstra 12250 cordless phone?