Pbx Internal Switching Network

A private branch exchange pbx is a telephone system within an enterprise that switches calls between users on local lines while enabling all users to share a certain number of external phone lines.

Pbx internal switching network.

A traditional standard pbx is a physical on site switching system that performs these central functions and hooks up to the public switched telephone system pstn. Also known as a pbx unified communications system or business phone system a pbx acts as the central switching system for phone calls within a business. A pbx is made up of both hardware and software that connects to communication devices such as telephone adapters hubs switches routers and telephone sets. A pbx or private branch exchange system serves a private network of telephones in an office and acts as the gateway from a company to the outside world.

Ip pbx systems handle internal traffic between stations and act as the gatekeeper to the outside world. The initials pbx stand for private branch exchange a very old. A pbx private branch exchange system allows an organization to manage incoming and outgoing phone calls as well as internal communication. A pbx is a telephone exchange or switching system that serves a private organization and permits sharing of central office trunks between internally installed telephones and provides intercommunication between those internal telephones within the organization without the use of external lines.

In contrast to a public switched telephone network the main purpose of a pbx is to save the cost of requiring a line for each user to the telephone company s central office. The central office lines provide connections to the public switched telephone network pstn and the.