alt Hacker NewsMost 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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stavros • 01/04/2026
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.
https://atscaleconference.com/calling-relay-infrastructure-a...
if i read this right, whatsapp calls go thru relay servers?