Private Branch Exchange (PBX)

Author: CCa2z

Date: 2nd October 2009

A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public.

PBXs are also referred to as:

  • PABX - private automatic branch exchange
  • EPABX - electronic private automatic branch exchange

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