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Private branch exchange (PBX)

nounid 3665·updated Aug 30, 2026
verified· unreviewed

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.

MWE

Attested in

No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

Entity Type

System0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

85%llm-generatedllm:claude-haiku-4-5

Information Class

80%llm-generatedllm:claude-haiku-4-5

Variants

plural
Private branch exchange (PBX)S
possessive
Private branch exchange (PBX)'s
pluralpossessive
Private branch exchange (PBX)S'

Framework definitions

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

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.