Patents by Inventor Kevin B. Kealy

Kevin B. Kealy 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: 7920542
    Abstract: The present invention provides for improved security in a VoIP architecture. In accordance with an embodiment of the invention, a system for providing VoIP service to a user domain having user accessible equipment includes a first domain having VoIP service provider equipment and a second domain having at least one border element communicating with the service provider equipment and the user accessible equipment to enable communications between the service provider equipment and the user accessible equipment. The user accessible equipment is prevented from directly communicating with the service provider equipment.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: April 5, 2011
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Harbir S. Brar, Koan S. Chong, Kevin B. Kealy, William T. Marshall, Israel Rosencrantz, Rachel Rosencrantz, Chaim Spielman