Patents by Inventor Ya-Nan Long

Ya-Nan Long 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).

  • System and method for determining network quality for voIP calls
    Patent number: 7995557
    Abstract: A method of measuring network quality for VoIP calls comprises setting up a test call from a local IP endpoint to a remote IP endpoint reachable by a logical trunk group associated with the local IP endpoint, receiving statistical data regarding the test call, tearing down the test call, processing the statistical data and generating measurement results, and routing a VoIP call using a route selected based at least in part on the measurement results.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: August 9, 2011
    Assignee: Genband US LLC
    Inventors: San-Qi Li, Mathew C. Perry, Chen Cao, Ya-Nan Long
  • System and method for determining network quality for volP calls
    Publication number: 20060203801
    Abstract: A method of measuring network quality for VoIP calls comprises setting up a test call from a local IP endpoint to a remote IP endpoint reachable by a logical trunk group associated with the local IP endpoint, receiving statistical data regarding the test call, tearing down the test call, processing the statistical data and generating measurement results, and routing a VoIP call using a route selected based at least in part on the measurement results.
    Type: Application
    Filed: March 11, 2005
    Publication date: September 14, 2006
    Applicant: Santera Systems, Inc.
    Inventors: San-qi Li, Mathew Perry, Chen Cao, Ya-Nan Long