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Definition of abbr private branch exchange in English English dictionary
- 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
- Private Branch Exchange
- {i} PBX, telephone system that is owned by an organization (in which each worker has a line for internal calls while sharing a few external lines with the other workers)
- Private Branch Exchange
- PBX
Related Terms
abbr private branch exchange
Hyphenation
abbr pri·vate Branch ex·changePronunciation
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