I can receive VoIP calls from my SIP trunk on a Windows client via broadband (Vodafone now), and on my Xiaomi Android phone via the BB connection, bit when I disconnect from WiFi and use Plusnet 4g, the connectivity is gone.... So this must not be available from Plusnet mobile?
Dress it in a flavour of "unsupported" at will.. anyone had luck with SIP connection via Plusnet mobile?
The EE network uses. CGNAT and so VoIP is unlikely to work I'm afraid.
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