Switching to VoIP

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More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and wide-area network infrastructure to replace legacy enterprise telephone networks. This migration to a single network carrying voice and data is called convergence, and it''s revolutionizing the world of telecommunications by ...

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More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and wide-area network infrastructure to replace legacy enterprise telephone networks. This migration to a single network carrying voice and data is called convergence, and it''s revolutionizing the world of telecommunications by ...

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  • Formats: pdf
  • ISBN: 9780596517298
  • Publication Date: 30 Jun 2005
  • Publisher: O'Reilly Media
  • Product language: English
  • Drm Setting: DRM