问题描述
我正在尝试连接由3g / 4g连接的iOS中的WebRTC视频和音频给出错误，但在WiFi网络上工作正常。
I am trying to connect WebRTC video and audio in iOS connected by 3g/4g gives error but works fine with WiFi network.
找到对等连接后出现错误
And after the peer connection is found the error appears
推荐答案
呼叫设置在3G / 4G上失败但工作正常在本地网络中出现STUN故障的症状。看看你是否在iOS代码中向WebRTC引擎提供至少一个有效的STUN服务器。
Call setup failing on 3G/4G but working in a local network is symptomatic of a STUN failure. See if you are supplying at least one valid STUN server to the WebRTC engine in your iOS code.
编辑：也可能是同行无法在3G / 4G设置中建立到对等连接。因此，您还需要确保提供有效的TURN服务器。
It's also possible that a peer-to-peer connection cannot be established in your 3G/4G setup. So you also need to make sure you are supplying a valid TURN server as well.
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