EE Home Phone Adapter V4 Only Works With BT Digital Voice Service

The Adapter is suitable for residential lines only.
DECT cordless phone users will be pleased to know that just 1 Adapter covers the entire setup, including any extra handsets paired to the base unit. There's no need to purchase additional units for every room, keeping installation simple and cost-effective.
If you use corded phones at home, each handset will need its own dedicated Adapter to connect to the Digital Home Phone service. This ensures every corded phone maintains a reliable connection with consistent call quality throughout your home.
Up to 5 Digital Voice products can be registered to your Smart Hub at any one time and the Home Phone Adapter counts as 1 of those. This gives you the flexibility to build a fully connected home phone setup that works alongside your other Digital Voice tech.
Make the switch to Digital Home Phone or Digital Voice without having to replace the phones you already own. The EE Home Phone Adapter bridges your current handsets to the