Apprtc not working in public network iOS

Question

I am using Apprtc library for the real-time connection. this is my server host URL @"https://appr.tc". Connection successfully established to any network, but in the audio/video sense

• audio/video only works on same/private network iOS to iOS or iOS to Android

  in public network audio/video only work in iOS to Android , Not working iOS device to iOS device .

do you have any idea ?

Answer 1

TL;DR You need to bring up a TURN server, and configure the client with the addresses of your TURN server.

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WebRTC attempts to connect two peers directly, but that's not always possible in all network configurations (e.g. when both sides are behind a NAT or a Firewall). In these cases, WebRTC will fallback to using a TURN server. It's basically a server that both peers can connect to, and it forwards packets from one to the other.