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PBX

American  
  1. a manually or automatically operated telephone facility that handles communications within an office, office building, or organization and that is connected to the public telephone network.


PBX British  

abbreviation

  1. private branch exchange; a telephone system that handles the internal and external calls of a building, firm, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of PBX

P(rivate) B(ranch) Ex(change)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It was there that he began his music career, releasing his debut album PBX 1 in October 2018 under the stage name of Sidhu Moose Wala - or "Sidhu of Moosa", his village.

From BBC Jul. 5, 2022

PBX 9502 is especially tricky because it’s an insensitive explosive, meaning it won’t go up if smacked or set on fire.

From Science Magazine Jun. 24, 2020

Companies that may now operate PBX systems and have relationships with both telephone carriers and specialized conferencing services should be able to save money by shifting to Microsoft, he said.

From The Wall Street Journal Nov. 30, 2015

Secursmart has solutions for mobile to mobile as well as PBX interfaces.

From Forbes Jul. 30, 2014

Perhaps the worst by-product of this "PBX fraud" is that victim companies and telcos have sued one another over the financial responsibility for the stolen calls, thus enriching not only shabby phreaks but well-paid lawyers.

From The Hacker Crackdown, law and disorder on the electronic frontier by Sterling, Bruce

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