Why do we need VoIP?

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Tags

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  2. #regular
  3. #refers
  4. #businesses
  5. #phone
  6. #companies
  7. #using
  8. #voice
  9. #switched
  10. #should
  11. #technology
  12. #since
  13. #method
  14. #videos
  15. #connection
  16. #protocol
  17. #introduction
  18. #communication
  19. #internet
  20. #calls
  21. #lines
  22. #market