Show HN: Talk – A free group video call app with screen sharing

Re:Show HN: Talk – A free group video call app with screen s... by haroldegibbons on Saturday September 05, 2020 @03:50AM (#24382036)

I thought WebRTC was the coolest thing since sliced bread until I ran into the whole TURN and STUN thing. I feel catfished.

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Re:Show HN: Talk – A free group video call app with screen s... by rambojazz on Saturday September 05, 2020 @03:56AM (#24382053)

Those are not specific to WebRTC though. They are needed protocols if you want a chance to traverse NATs. They're used by WebRTC and other VOIP stacks too.

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Re:Show HN: Talk – A free group video call app with screen s... by pmlnr on Saturday September 05, 2020 @05:12AM (#24382380)

Yep, same here. Especially when one takes a step back, loads a h323 softphone that, unlike browsers on linux, uses hw encode/decode, and suddenly my laptop doesn't want to fry itself.

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Re:Show HN: Talk – A free group video call app with screen s... by daffy on Saturday September 05, 2020 @05:59AM (#24382557)

What are TURN and STUN?

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Re:Show HN: Talk – A free group video call app with screen s... by SamWhited on Saturday September 05, 2020 @11:25AM (#24384237)

Ways for punching through NAT. STUN lets you discover NAT addresses and the like to try and establish a connection with a port on the WAN IP, or some other connection mechanism. TURN is effectively a proxy that can be used by both sides to establish a connection through NAT.

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