Patents by Inventor Dewey Spencer

Dewey Spencer 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: 7397793
    Abstract: A method of relaying calls across a packet network includes receiving an integrated services digital network setup request. The setup request is then translated into packet network form and transmitted across a packet network. A destination device on the packet network interfaces with the destination device through integrated service digital network procedures. A connect message from the destination device on the packet network is then received and translated into an integrated services digital network connection message. The connection message is then transmitted to an integrated services digital network device to establish a connection.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: July 8, 2008
    Assignee: Cisco Technology, Inc.
    Inventors: Alex Urquizo, Dewey Spencer
  • Publication number: 20050220081
    Abstract: A method of relaying calls across a packet network includes receiving an integrated services digital network setup request. The setup request is then translated into packet network form and transmitted across a packet network. A destination device on the packet network interfaces with the destination device through integrated service digital network procedures. A connect message from the destination device on the packet network is then received and translated into an integrated services digital network connection message. The connection message is then transmitted to an integrated services digital network device to establish a connection.
    Type: Application
    Filed: April 5, 2004
    Publication date: October 6, 2005
    Applicant: Cisco Technology, Inc.
    Inventors: Alex Urquizo, Dewey Spencer