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Most video calling software uses STUN NAT hole punching and not central relay servers. You are definitely publicly routed when you call through Google Meet or WhatsApp or FaceTime

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https://atscaleconference.com/calling-relay-infrastructure-a...

if i read this right, whatsapp calls go thru relay servers?

To be fair, I think Google Meet with multiple participants still uses a relay server, instead of N^2 streams, but I may be wrong.

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