I believe the TURN configuration is supposed to be done automatically by the Chatmail install script.
These technical details might help you debug the issue: Can I add calls to my mail by adding a turn on HestiaCP? - #2 by WofWca
I believe the TURN configuration is supposed to be done automatically by the Chatmail install script.
These technical details might help you debug the issue: Can I add calls to my mail by adding a turn on HestiaCP? - #2 by WofWca