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ALL meanings of pabx

PABX
P p
  • noun Technical meaning of pabx (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. 1
  • abbreviation PABX private automatic branch exchange 0
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