Big Blue Button

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Configuring TURN

• Setting up a TURN server
• https://docs.bigbluebutton.org/2.2/setup-turn-server.html#configure-bigbluebutton-to-use-your-turn-server

Configuration

The configuration files can be found on the BBB Configuration page.

Disable Echo Test

Edit /etc/bigbluebutton/bbb-html5.yml - if this file does not exist then run:

cp /usr/share/meteor/bundle/programs/server/assets/app/config/settings.yml /etc/bigbluebutton/bbb-html5.yml

Then edit the properties you want.

Testing configuration

Run the configuration test script to see some potential issues and solutions.

sudo bbb-conf --check

Nextcloud integration

BBB has a Nextcloud integration that makes organising calls much easier if you already use a Nextcloud instance. It adds a new icon on the taskbar (shown at the top of the image below) that takes you to a page where you can manage rooms. Each room can be configured with a lot of useful options such as automatic private rooms for your Nextcloud users. The room is entered by simply clicking the play button for the appropriate room. You can copy a link for inviting other users too.

Note that by default a room you create will not show up in the list for any of the other users in your Nextcloud. You need to add them as moderators and then click the share icon to the right of each moderator to make them all admins for the room.

Troubleshooting

ICE error 1107, video not working

After initial installation, room members couldn't activate video, all getting Connection failed: ICE error 1107, which is a known issue in Github. This is most likely that UDP is not getting through to the server. You can test UDP as follows:

On the target machine being tested:

nc -ulp PORT

And on the machine sending the tests:

nc -u SERVER PORT

Then type text and hit enter, it should be echoed on the server.

If it's not, check the firewall status and disable:

ufw status
ufw disable

If you still are having issues, setup a TURN server which should significantly improve reliability.

Query String API

Security

You will need access to the shared secret in BBB's configuration:

1. First prepend the name of the API call to the string to the query string (no '?' at the start but '&' between parameters).
2. Secondly append the shared secret to the the end of the query string
3. Hash the resulting string with SHA1
4. Add checksum=<SHA1> to the original query string parameters.

• https://docs.bigbluebutton.org/dev/api.html#usage

Resources

• Installation of BBB 2.3 onto Ubuntu 18.04
• BBB 2.2 troubleshooting

See also

• Setting up a TURN server
• Jitsi
• Matrix