@Newman1 insufficent detail to advise properly . Are other devices working correctly and does your phone connect to use data? If the answer is yes the issue about WiFi calls will depend on whether your mobile provider supports their use most do but a few don't.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
