×

Method, system and gateway device for enabling interworking between IP and CS networks

  • US 20040190498A1
  • Filed: 05/21/2003
  • Published: 09/30/2004
  • Est. Priority Date: 03/25/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method for enabling interworking between an IP-based network and a circuit-switched network, said method comprising the steps of:

  • forwarding a first address information of a first connection end located in a circuit-switched network in a trigger message routed from an IP-based network to a gateway control function;

    establishing a first call leg towards said first connection end based on said first address information;

    establishing a second call leg towards a second connection end located in said IP-based network based on a second address information obtained from said trigger message; and

    connecting said first and second call legs to form a single connection.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×