PBX
1.
a manually or automatically operated telephone facility that handles communications within an office, office building, or organization and that is connected to the public telephone network.
Compare
PABX
Origin
P(rivate)
B(ranch)
Ex(change)
British Dictionary definitions for
PBX
PBX
abbreviation
(
in Britain
)
1.
private branch exchange; a telephone system that handles the internal and external calls of a building, firm, etc
PBX
in Technology
Private Branch Exchange
Related Abbreviations for
PBX
PBX
private branch exchange