We may have found other answers which could help you.
How can I fix my?
BT 4600 twin one handset bot ringing?
How can I repair my phone?
Hand set not ringing?
Problem with handsets?
BT Graphite 2500?
Bt 4600 phone?
BT 4600 phone problem?
How can I turn on my BT Freestyle 750 phone?
My bt freestyle phone don't ring or con?
How can I fix my BT 4500 Cordless phone?