---
title: "PABX Definition: What is a PABX? | United Business Solutions"
description: The first PABX Systems were developed more than 50 years ago in the United States. Today most South African business use some form or other of a PABX system, now referred to as a PBX.
image: https://blog.unitedbusiness.co.za/hubfs/Imported_Blog_Media/Old%20Pabx.jpg
---

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# PABX Definition: What is a PABX?

Posted by [Admin](https://blog.unitedbusiness.co.za/author/admin) on Mar 3, 2020 12:16:33 AM

![Old Pabx.jpg](https://blog.unitedbusiness.co.za/hubfs/Imported_Blog_Media/Old%20Pabx.jpg "Old Pabx.jpg")

The first PABX Systems were developed more than 50 years ago in the United States. Today most South African business use some form or other of a PABX system, now referred to as a PBX. The PABX is an essential piece of business equipment which allows businesses to process and transfer incoming telecommunications in a professional manner.

 

Wikipedia defines a PABX System as: A **private branch exchange (PBX)** is a [telephone exchange](http://en.wikipedia.org/wiki/Telephone_exchange) that serves a particular business or office, as opposed to one that a [common carrier](http://en.wikipedia.org/wiki/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

 ![](https://blog.unitedbusiness.co.za/hs-fs/hubfs/Imported_Blog_Media/200px-18butt~1(1).gif?width=200&height=121&name=200px-18butt~1(1).gif)

 Today the definition of a PABX has grown widely to encompass a variety of technologies. With the growth of IP PBX’s, Hosted PABX’s and now the advent of mobile 3G PABX systems, consumers now have a wide variety of solutions reducing costs and increasing options.

 

 

United Business supplies all of these options to the Southern African market, contact us [Here](http://www.unitedbusiness.co.za/pbx_pabx_private_branch_exchange_system.html)for further information surrounding your PABX system and the options available to your business or organisation 

 

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