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VoWiFi requires an internet connection. It dials back to your carrier. Nothing preventing you from configuring a local SIP server or doing IP-to-IP calls, thou
by jeroenhd 1y ago
VoWiFi requires an internet connection. It dials back to your carrier.
Nothing preventing you from configuring a local SIP server or doing IP-to-IP calls, though. I think every platorm imaginable has some kind of free SIP client.