PBX

P3B3X8

A form of private branch exchange — A telecommunications switching system, physically located at a customer's place of business, that provides internal communication between users and also access to outside (trunk) telephone lines.

Less commonScrabble 14
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Meanings

nounPBX (plural PBXes)

plural PBXes

  1. abbreviationinitialismcommunicationsInitialism of private branch exchange.
Cite this entry
APA

PBX. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/PBX

MLA

“PBX.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/PBX. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “PBX,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/PBX.

Source: PBX on Wiktionary, CC BY-SA 4.0.