What service can be used to implement real-time video/text chat in conjunction with symfony?

Question

symfony

Advise what service can be used to implement real-time video / text chat in conjunction with symfony.
either open source or paid, but for a reasonable price.
Requires the possibility of private / group chats and good integration with symphony (ideally something like fosmessagebundle but with video and on web sockets)

Answer 1

Without symphony
How to make a video call with a client on the site?
How to make a video chat (analogue of chatroulette)?