Patents by Inventor Patrick D Bradd

Patrick D Bradd has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Voice over packet network arrangement and method
    Patent number: 7933279
    Abstract: A communications network arrangement provides voice over IP or voice over ATM services. The network arrangement comprises a first media gateway controller controlling a first gateway and provided with a first operating protocol, a second media gateway controller controlling a second gateway and provided with a second operating protocol, and a gateway address translator incorporating proxies for the first and second gateways. The gateway address translator provides a relay function for messaging between each media gateway controller and its corresponding gateway, and a virtual bearer function for messaging between the media gateway controllers. This facilitates inter-working between products supplied by different vendors.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: April 26, 2011
    Assignee: Nortel Networks Limited
    Inventors: Patrick D Bradd, Bryan J Miller, James Shields