You need a STUN/TURN server, that's just how the cookie crumbles unfortunately. Blame NAT :) I used this dockerized coturn server successfully: https://github

You need a STUN/TURN server, that's just how the cookie crumbles unfortunately. Blame NAT :) I used this dockerized coturn server successfully: https://github.com/strukturag/docker-webrtc-turnserver https://github.com/strukturag/docker-webrtc-turnserver