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Sametime Meetings 11.5+: Use only HTTPS instead of 10000/30000 UDP for Audio/Video/Screencast Streams

We love Sametime Meetings 11.5 and we would love to use it more often, but 2 out of 3 Customers (Guests) we invited to join our Meeting Session did not see or hear anything because of their Firewall blocking the outbound Port 10000/30000 UDP that Sametime Meetings uses for Audio/Video/Screencast Streams.

From a Network Security Point of View, it is understandable to block all outbound Traffic by default and allow only neccessary outbound Ports to be open for Traffic.

This makes it very difficult to advocate for Sametime Meetings because we can not force our Customers to open Port 10000/3000 UDP just to be able to join our Sametime Meetings - they would rather propose to use MS Teams.

If you love Sametime Meetings, please upvote this Idea so we can have a better User Experience and a true "Browser-only" Meetings Client that runs Out-of-the-Box without having to modify any Environment besides the one it is installed on.

  • Avatar32.5fb70cce7410889e661286fd7f1897de Guest
  • Nov 17 2020
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    Gaganpreet Saini commented
    17 Nov 09:20pm

    Hi Patrick, Henning - thanks for submititng thsi idea and your comments. We are looking into it. We currently do not officially support relays or over TCP connection. It hasn't been formally tested yet. We need to do our due diligence on performance testing before claiming this support. I have now added it to our list.

  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    17 Nov 04:15pm

    There seems to be a Solution for Jitse (Sametime Meetings Open Source Base): https://community.jitsi.org/t/udp-port-10000-blocked-behind-corporate-firewall-possible-approaches/28681

  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    17 Nov 12:58pm

    Afaik Teams also uses UDP Ports (3478-3481), they just seem to have a fallback solution (to 443 TCP) if those ports are blocked.