PABX -->
Private Automatic Branch eXchange
computing dictionary

<communications> (PABX) A telephone exchange operated within an organisation, used for switching calls between internal lines and between internal and PSTN lines. In contrast to a PMBX, a PABX can route calls without manual intervention, based entirely on the number dialed. Not all PABXs can route external calls to internal numbers automatically however.

Acronym: PABX

(01 Apr 1998)

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