What is PBX?

Private Automatic Branch Exchange ( PABX) is an old term for Private Branch Exchange ( PBX) .
Abbreviated with the PBX, used to be called to the PABX ( Private Automatic Branch Exchange) . This equipment serves to maximize the functions of the phone at the company. With the PBX will facilitate the various parts of sections at an office of incoming phone calls. Each section in the office was given an extension number. So if a call came from outside to contact the different parts, as well as different buildings simply by calling a number that was introduced by the company, then the call will be forwarded by the extension number dituju.Selain that each part can also communicate among themselves by going to this extension number.