private branch exchange
private branch exchange noun: 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.
Noun
private branch exchange (plural private branch exchanges, abbreviation PBX)
- 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.
Forms of private branch exchange
| plural | private branch exchanges |
|---|---|
| abbreviation | PBX |
Questions about private branch exchange
- What does private branch exchange mean?
- Private branch exchange means 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.
- What part of speech is private branch exchange?
- Private branch exchange is a noun.
- What is the plural of private branch exchange?
- The plural of private branch exchange is private branch exchanges.
Words near private branch exchange in the dictionary
Source and license
Adapted from Wiktionary: private branch exchange (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-private branch exchange.ogg.
Cite this entry: “private branch exchange.” Word.ws, https://word.ws/private_branch_exchange. Based on Wiktionary, CC BY-SA 4.0.
