I run my own XMPP server, and I can literally call anyone anywhere in the world on the XMPP network. End-to-end encrypted. No phone numbers required. For free.

I run my own XMPP server, and I can literally call anyone anywhere in the world on the XMPP network. End-to-end encrypted. No phone numbers required. For free. https://blog.wirelessmoves.com/2020/05/xmpp-voice-and-video-calls-with-conversations-a-dream-come-true.html https://blog.wirelessmoves.com/2020/05/xmpp-voice-and-video-...