What is PBX and EPBX?

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Tags

  1. #common
  2. #carrier
  3. #serves
  4. #businesses
  5. #automatic
  6. #exchange
  7. #opposed
  8. #operates
  9. #business
  10. #public
  11. #particular
  12. #private
  13. #branch
  14. #general
  15. #company
  16. #office
  17. #telephone
  18. #electronic
  19. #epabx