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System and method for routing calls associated with private dialing plans

  • US 10,250,412 B2
  • Filed: 03/10/2017
  • Issued: 04/02/2019
  • Est. Priority Date: 01/30/2009
  • Status: Active Grant
First Claim
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1. A method for establishing a call associated with a private dialing plan, the method comprising:

  • receiving a call directed to a destination endpoint associated with a private dialing plan (PDP);

    requesting an internal egress path identifier;

    receiving, in response to the requesting, an internal egress path identifier associated with the destination endpoint, wherein receiving the internal egress path identifier comprises receiving a message comprising the internal egress path identifier and a PDP telephone number;

    determining, based on parameters of a call signature for the call, that the message was received on a PDP-enabled trunk that is dedicated to call resolution;

    determining, based on the message being received on the PDP-enabled trunk that is dedicated to call resolution, that the PDP telephone number should be ignored; and

    routing the call to an egress path identified by the egress path identifier.

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