Bought BT phone blocker, for elderly relative, i have just read the box and it says you have to be subscribed to caller display service?? i dont understand can anyone help pls, he is a virgin media customer and we need to sort this out for him. I dont want to open the box if it is not going to work. How do we know if he has caller display??
He gets so many bad calls we are trying to stop them. he has the kahuna package.