Patents by Inventor Gregory L. Welenson

Gregory L. Welenson 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).

  • Emergency call completion for VoIP based on location of call originator
    Patent number: 7453990
    Abstract: Emergency calls placed from telephone devices connected to a data network are completed to the appropriate public safety answering point (PSAP). In one embodiment of the present invention, a method for completing an emergency call comprises receiving a call from a device on a data network, the call destined for an emergency service, the device having a physical location, obtaining a telephone number of an emergency call center that handles emergency calls for the physical location of the device, and routing the call to the emergency call center using the telephone number.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: November 18, 2008
    Assignee: Vonage Holdings Corp.
    Inventors: Gregory L. Welenson, Louis Holder