Hello, It is at your disposal two new tutorials called: Installation SSL certificates and Coturn for OpenMeetings 5.0.0-M4 on CentOS 7-8.pdf ...and Installation SSL certificates and Coturn for OpenMeetings 5.0.0-M4 on Ubuntu 18.04.pdf
It is tested with an OpenMeetings 5.0.0-M4 server installed on a pcat home, after NAT router; and each in the room saw and heard the otherscameras and your own correctly.Also in the tests done, we have uploaded files, recorded videoand shared desktop without any error. You can find them here: https://cwiki.apache.org/confluence/display/OPENMEETINGS/Tutorials+for+ installing+OpenMeetings+and+Tools Best regards Alvaro .....................