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Tandem access controller within the public switched telephone network

  • US 8,848,894 B2
  • Filed: 01/25/2012
  • Issued: 09/30/2014
  • Est. Priority Date: 05/04/2000
  • Status: Expired due to Fees
First Claim
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1. A method of using control criteria to route a communication between a user with access to a voice over IP (VOIP) communication network, and a called party with access to the public switched telephone network (PSTN) comprising:

  • receiving at a controller a signaling message indicating a communication from the user via the VOIP network;

    using information in the signaling message to retrieve control criteria from a database, where the control criteria has been authenticated and derived from selections previously made by said user via a web server; and

    using the control criteria to route the communication from the controller to the called party via a PSTN tandem switch that is separate from a central office switch without traversing any intervening switches between the controller and the PSTN tandem switch.

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