Anonymous
I am trying to call Extension A from the server(Another extension B is created on the server ) i am able to call but i am not able to call from Extension A to the server's Extension B. As i have observered both 3cx phone are registered with the server please help also i would be connecting few external extions also for example in a different state altogether please let me know in detail how to go-ahead with it and if i have to open ports which all of them have to be opened . Please Give Information In Detail as i was not able to find answer to my question in the manual