@John1252
Dou you have a green 'Voice' light on the Sky Hub and an analogue handset plugged into the back of it? The master phone socket at the address and any internal extension sockets will no longer function, and not will BT-brand 'Digital Voice' hardware.
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Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi)
BT Halo 3+ Ultrafast FTTP (500Mbs), BT Smart Hub 2
