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A new day, a new design: The multiple cost considerations behind SIP Trunking

  • TC2 Blog
  • 11/16/2010
  • Patricia Gilpatrick

The following is a guest post by TC2 Project Director Pat Gilpatrick, who is based in Baltimore.

The appeal behind SIP Trunking is deceptively simple. Enterprises have long been interested in taking voice off the circuit-switched telephone network and onto IP. The problem was: Whose IP network? Certainly not the public Internet! But most enterprises now have their own IP network in the form of MPLS or corporate-grade dedicated Internet. So why not use it for voice, too?

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