PABX – Private Automated Branch Exchange

Short for Private Automated Branch Exchange, this telephone network is commonly used by call centers and other organizations. PABX allows a single access number to offer multiple lines to outside callers while providing a range of external lines to internal callers or staff.

See also BPX.

Vangie Beal
Vangie Beal
Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.

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