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Wes Bos

Wes Bos

XL5G3 Full Stack JavaScript Developer. Creator of really good web development courses. BBQ enthusiast.

Scott Tolinski

Scott Tolinski

Web Developer, NX2V1, Creator of Level Up Tuts, Bboy, Robotops Crew and Youtuber

Playing: 256: WebRTC and Peer-to-Peer Video Calling with Ian Ramzy



Jun 10th, 2020

WebRTC and Peer-to-Peer Video Calling with Ian Ramzy

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In this episode of Syntax, Scott and Wes talk with Ian Ramzy about ZipCall.io — how he built it, why, and some of the surprising choices he made along the way.

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Stackbit - Sponsor

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Show Notes

02:08 - Who are you and what's your background?

05:34 - Why did you build this?

13:55 - What is it built in?

  • Express server
  • Web sockets

16:10 - Why is there no tooling?

VideoChat.peerConnection = new RTCPeerConnection({
        iceServers: token.iceServers,

24:31 - How does your server deal with an influx of users?

27:11 - How do each of these features work?

  • Auto-scaling video quality
  • Text chat
  • Screen sharing
  • Picture in picture
  • Live captions
  • Loading animation
  • No download required, entirely browser based
  • Direct peer to peer connection ensures lowest latency
  • Single use disposable chat rooms

41:32 - Have you looked into any of the recording APIs?


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