What is a PBX?
A PBX is an acronym for Private Branch Exchange, which is a private telephone network that allows users can talk to each other. Different hardware components work in tandem to provide connectivity to the telephone network.
A PBX operates a company's internal telephone network. A PBX system manages the routing and advanced calling features for inbound and outbound calls.
Becoming a Telephone Operator with a PBX
The traditional telephone system is known as the Plain Old Telephone System or POTS for short. It's based on the twisted pair of wires from the local phone company to the building. POTS is basic, reliable, and hasn't changed much in 140 years.
Telephone companies connect calls with others using the Publicly Switched Telephone Network (PTSN). The PSTN makes it possible for a Verizon customer to call an AT&T customer as well as patching calls over locally.
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