Patents by Inventor Guanzhou Lin

Guanzhou Lin 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 preventing spam over internet telephony
    Patent number: 8243716
    Abstract: A method for preventing Spam over Internet Telephony (SPIT), includes: a terminal receives a call request of a calling user; the terminal sets an identifier of the calling user into a SPIT reporting request upon receipt of the call request; and sends the SPIT reporting request to a server in response to an instruction of a called user that the call request is the SPIT.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: August 14, 2012
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Liu, Zhibin Zheng, Kai Zhao, Guanzhou Lin
  • SYSTEM AND METHOD FOR PREVENTING SPAM OVER INTERNET TELEPHONY
    Publication number: 20080075258
    Abstract: This invention discloses a method for preventing Spam over Internet Telephony, comprising: receiving by a terminal a call request by a calling user; setting by the terminal an identifier of said calling user into a SPIT reporting request upon receipt of said call request; and sending the SPIT reporting request to a server in response to an instruction by a called user that the call request is SPIT.
    Type: Application
    Filed: September 19, 2007
    Publication date: March 27, 2008
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lifeng LIU, Zhibin ZHENG, Kai ZHAO, Guanzhou LIN