Digital Voice phones | BT Help
www.bt.com › help › landlineWith Digital Voice, it's best to use Essential or Advanced Digital Home Phones, which have been specially designed to use with the service. Digital Voice: Will my service work in a power cut? Your Hub needs power to make calls with Digital Voice. If your area has power cuts, you can buy a battery back-up unit (BBU).
Digital Voice: How do I set up my service? | BT Help
www.bt.com › help › landlineSet up your Digital Voice handsets Power up - unpack your Digital Voice handset and connect the power cable to the back of the charger base. Plug the other end in at the wall and switch on Activate the batteries - pull the plastic tab away from the handset Link the handset - press OK on your phone and follow the on-screen steps.