×

INTERNET PROTOCOL TRANSPORT OF PSTN-TO-PSTN TELEPHONY SERVICES

  • US 20100118866A1
  • Filed: 01/22/2010
  • Published: 05/13/2010
  • Est. Priority Date: 06/14/1999
  • Status: Active Grant
First Claim
Patent Images

1. A method of transporting calls across an Internet protocol network, which comprises the steps of:

  • receiving a telephony signaling message at an Internet telephony gateway;

    determining if the telephony signaling message maps to an Internet protocol signaling message; and

    if the telephony signaling message does not map to an Internet protocol signaling message, packaging the telephony signaling message in an Internet protocol signaling special message for transport over the Internet protocol network.

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