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What does PBX stand for?

PBX stands for Public Branch Exchange (public telephone switchboard)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

See other definitions of PBX

Other Resources:
We have 18 other meanings of PBX in our Acronym Attic

Samples in periodicals archive:

General Dynamics also helped the FAA migrate from a Public Branch Exchange (PBX) telephony environment to a modern infrastructure based on a Voice-over-Internet Protocol (VoIP) and IP telephony technologies under the FAA's Administrative Voice Enterprise Services (FAVES) program.
Serial devices that can be remotely and securely managed by the Cyclades CS appliances include UNIX, Linux and Solaris servers, routers, public branch exchange (PBX) systems, telecommunications equipment such as CSU/DSU (channel service unit/data service unit), and serially-based power management devices.