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Network routing

  • US 8,798,253 B2
  • Filed: 07/28/2006
  • Issued: 08/05/2014
  • Est. Priority Date: 07/29/2005
  • Status: Active Grant
First Claim
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1. A system comprising:

  • at least one device to;

    receive a call request from a calling party to a called party,determine whether the calling party or the called party is served by an Internet Protocol Multimedia Subsystem (IMS) core,route the call request toward the called party, and bypassing the IMS core when the calling party and the called party are not served by the IMS core, androute the call request to the IMS core when the calling party is not served by the IMS core and the called party is served by the IMS core.

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