Private branch exchange (PBX)
nouncandidate·updated May 12, 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.