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Inbound gateway authorization processing for inter-carrier internet telephony

  • US 6,295,292 B1
  • Filed: 12/24/1997
  • Issued: 09/25/2001
  • Est. Priority Date: 03/06/1997
  • Status: Expired due to Term
First Claim
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1. A method for communication between calling and called terminals through a hybrid system of switched circuit and packet networks via operations of plural operating entities, comprising the steps of:

  • in response to transmission from a calling terminal linked to a circuit switched network of signaling for initiating establishment of said communication, identifying a first database of a first of said operating entities;

    accessing said first database to determine whether said first operating entity will authorize said communication;

    in response to communication authorization, requesting a second of said operating entities to establish said communication;

    in response to said request, accessing a second database of a second of said operating entities to determine whether said second operating entity will authorize said communication;

    in response to authorization by said second operating entity, establishing said communication;

    recording charges for said communication and allocating the recorded charges between said first and second entities; and

    sending a bill for said communication to said initiating terminal.

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