Have you got a broadband fault with BT Infinity in Davyhulme? If your provider says the line test is OK then the fault could be internal! speak to BT Fix first.
Most broadband faults have a underlining voice fault book a Stressless test. A unique service from The Phone Fixer and available to residents of Davyhulme. Call 07531522765 or Leave a message on 0151 324 1424 and I will call you back.