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PSTN call routing control features applied to a VoIP

  • US 7,016,343 B1
  • Filed: 12/28/2001
  • Issued: 03/21/2006
  • Est. Priority Date: 12/28/2001
  • Status: Active Grant
First Claim
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1. A method for deploying a public switched telephone network intelligent call routing engine in the management of voice calls on a digital packetized communications network employing an Internet protocol comprising the steps of:

  • packetizing voice call messages containing control messages and data, wherein call control messages include call control operations and parameters,intercepting call control messages,directing the call control messages to a communications network applications manager,mapping call control operations and parameters to public switched telephone network intelligent call routing engine call operations and parameters,resolving destination and endpoints from the mapped call control operations and parameters,executing a user defined script that further resolves destination and endpoints, andre-mapping public switched telephone network intelligent call routing engine operations and parameters to the resolved destination and endpoints.

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