I know but i have to bechuse i am using port 80 on 3 computers.Running 3CX behind a reverse proxy is not supported nor recommended.
3CX uses 443 or you can set it up to use any different HTTPS port. Locally doesn't matter.I know but i have to bechuse i am using port 80 on 3 computers.
Founded in 2005, when VoIP was an emerging technology, 3CX has gone on to establish itself as a global leader in business communications.