Explain about PBX


Hello, what is PBX and where to use it?


PBX stands for Private Branch Exchange. It is a private telephone system used within a company. The system switches calls between company users on local lines and allows all users to share a certain number of external phone lines.
The users of the PBX phone system can communicate within their company and with the outside world, using different communication channels such as Voice over IP, ISDN or analog.