Troubleshooting

# Video conferencing

Do you experience bad performance or no connection issues with video conferencing? Please check this page first for possible causes.

## Check your webbrowser

It could be that you are using a browser that is not supported or that the version of your web browser is too old. Try to upgrade your browser or switch to another web browser if the web browser you are using is not listed below.

Currently supported webbrowsers include:

- Apple Safari on MacOS
- Google Chrome on MacOS
- Google Chrome on Windows
- Chromium on Linux
- Firefox on MacOS (version 76 or later)
- Firefox on Windows (version 76 or later)
- Edge-Chromium on Windows

There are jitsi apps available:

- Jitsi app on iOS
- Jitsi app on Android

## Firewall and security issues

If you enter a room and the connection closes after a short while without any video or audio connection, then it is possible that your connection is blocked by your organisation’s internal firewall or similar security measures.

Share the following technical information with your system administrator if you suspect that the above might apply for you.

To use Jitsi properly, the following connections must be opened:

    TCP-port 80 and 443
    UDP-port 10.000

Jitsi opens connections to the following networks:

    185.105.252.0/24
    195.62.112.80/29
    195.62.112.88/29
    195.62.125.0/24
    195.62.126.0/24
    2a02:248:101:62::/64
    2a02:248:101:63::/64

### SSL-Introspektion

We recommend to add quaivecloud.com und *.quaivecloud.com to the whitelist of your proxy- and SSL-Introspection.

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Install this Web-App on your iPhone: Tap the share icon and select "Add to Home Screen".

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