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⇱ PBX - WordReference.com Dictionary of English


WordReference Random House Unabridged Dictionary of American English © 2026
PBX, 
  1. Telecommunicationsa manually or automatically operated telephone facility that handles communications within an office, office building, or organization and that is connected to the public telephone network. Cf. PABX 
  • P(rivate) B(ranch) Ex(change)

Collins Concise English Dictionary © HarperCollins Publishers::
PBX abbreviation for (in Britain)
  1. private branch exchange; a telephone system that handles the internal and external calls of a building, firm, etc
'PBX' also found in these entries (note: many are not synonyms or translations):

Forum discussions with the word(s) "PBX" in the title:


Look up "PBX" at Merriam-Webster
Look up "PBX" at dictionary.com
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