Hello, It seems you need to configure STUN/TURN server The topic is also being discussed in "parallel" mail threads
On Tue, 28 May 2019 at 14:30, Juan Antonio Moreno Carmona <jam...@gmail.com> wrote: > HI > > I have just installed Openmeetings and all seems works well but when I > am in a room and any other user enters that room I can see him in the > users list and give him moderator and whiteboard permissions but I can > not see or hear him. > > Their cam/audio frame is empty. I have uploaded image here. > > https://pasteboard.co/IgKVLyK.png > > Openmeetings 5.0.0-M2 is installed in a VPS with two cores and 4GB RAM > with Archlinux OS and I don't know how to solve this. Perhaps, someone > can help me. > > Regards. > > -- WBR Maxim aka solomax