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PABX

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  1. an automatically operated PBX.
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Origin of PABX

p(rivate) a(utomatic) b(ranch) ex(change)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pabx

PABX

abbreviation for (in Britain)
  1. private automatic branch exchangeSee also PBX
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012