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Private branch exchange (PBX)

nounverified· unreviewed·updated Aug 30, 2026

A telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines.

Framework senses

Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
§1
A telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
A telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines.
DR-088 backfill from the noun definition column