Patents by Inventor Douglas James Botkin

Douglas James Botkin 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).

  • Patent number: 7535850
    Abstract: A method and apparatus for voice path assurance (VPA) testing in a packet network such as an Internet Protocol (IP) network is provided. More specifically, the invention relates to a voice path assurance (VPA) testing technique that is initiated by the terminating side of a logical connection through an IP network. The technique of the present invention is used to verify connectivity and performance—during a call set-up procedure—between the terminating endpoint and the originating endpoint of the logical connection through the IP network.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: May 19, 2009
    Assignee: Alcatel-Lucent USA Inc.
    Inventors: Steven L. Makowski, Joseph John Kott, Douglas James Botkin