private branch exchange

English thesaurus

A telephone exchange that is owned by a private business, as opposed to one owned by a common carrier or by a telephone company

Private Branch Exchange

abbr., file.ext.

PBX

abbr., post

PBX (telephone)

Private Branch eXchange

IT, abbr.

PBX (Nebenstellenanlage); PBX (Telephony)

Private Branch Exchange A private telephone network in an organization. Individual telephone numbers or extension numbers are supported, and calls are automatically routed to them. Users can call each other using extensions. They can also place calls to outside numbers

abbr., comp., MS

PBX (Private Branch Exchange)

Private Branch Exchanges

mil., abbr.

PBX