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I have a Jitsi instance that I would like to share with 50 people for an event. I will mute everyone to make sure that only one or two people are talking at the same time but I wonder if I need to ask people to cut the video too (which would be sad because seeing other people face would be fun).

I know that Jitsi works in peer to peer when only two people are connected but what about a larger room?

Does the server centralise all the video stream?

Martin Delille
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With more than two participants Jitsi Videobridge will take over (no peer to peer nor H264) and control video streams from clients to server to clients.

As far as I understand it works very much like a turn server.

It strongly depends on your hardware setup. If Jitsi is running on a dedicated machine it should be able to handle this.

On a virtual server on the other hand...

Martin Delille
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exception valueerror
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  • What do you mean by *a turn server* ? – Martin Delille Apr 14 '20 at 07:25
  • https://github.com/coturn/coturn a very good open source TURN server – exception valueerror Apr 15 '20 at 22:00
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    @exceptionvalueerror is right that the bridge handles calls with > 2 participants. You can also configure `startAudioMuted` and `startVideoMuted` to a low number: when participants after that amount join they are audio/video muted by default. 50 participants is a lot, but with most video and audio muted it should be fine on a sufficiently-sized bridge (~c5.xlarge). Also, you can always use meet.jit.si for your meeting :) – bbaldino Apr 16 '20 at 22:18
  • @exceptionvalueerror How coturn is related to jitsi? – Martin Delille Apr 18 '20 at 11:17