Coturn is a free and open-source TURN and STUN server for VoIP and WebRTC. In a previous tutorial, we discussed how to install Spreed WebRTC server and how to integrate Spreed WebRTC with NextCloud. But there’s a problem: WebRTC won’t work if users are behind different NAT devices. It will be blocked. To traverse NAT, … Continue reading How to Set up Coturn TURN Server for Spreed WebRTC