Thanks billf, I'd like to hear what they have to say. The problem is continuing, along with an occasional screech on the earpiece when the cordless (DECT) phone is first picked up to dial out.
I too have had this problem, and it drives me mad! I have tried swapping phones (I have one on BT, two on Orange Talk) with no success. I have just heard from a friend that both she and her mum have ...