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.

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PBX British  

abbreviation

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

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Etymology

Origin of PBX

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

Example Sentences

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

Microsoft said one new feature, called Cloud PBX, routes voice calls so customers don’t need to operate private branch exchange equipment or install software on their own premises.

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

We look to see if it's a private or business line, part of a private PBX, hours and days of usage, then who owns the line.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn