Private branch exchange (PBX)

nouncandidate·updated May 12, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

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

Classifications

per-axis with provenance

Entity Type

System0%rule-basedmulti_axis_classifier_low_confidence.v1

?unassignedlast reviewed —

Sensitivity

—85%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Information Class

—80%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Variants

3 surface forms

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

Continue to:Dictionary →How is this term used per framework?Thesaurus →How does this term relate to other terms?Universal →Everything in one page.