Patents by Inventor Xian-Xiang Li

Xian-Xiang Li 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).

  • Internet telephone system with hunting diversion
    Patent number: 7369544
    Abstract: A method of diverting a hunting function of a PSTN central office switch is provided. The method diverts a hunting function in the event a channel within a hunting group is available but a call can not be completed. The method comprises detecting a status of a plurality of user channels to determine whether all user channels associated with the hunting group are in use and providing a hunting diversion message to the PSTN central office switch in response to determining that all user channels associated with the hunting group are in use. The method also comprises detecting at least one user channel associated with the hunting group is available for an inbound call and providing a hunting enable message to the PSTN central office switch in response to determining that at least one user channel associated with the hunting group is available for an inbound call.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: May 6, 2008
    Assignee: Innomedia PTE Ltd
    Inventors: Xian-Xiang Li, Runlin Dong
  • Internet telephone system with hunting diversion
    Publication number: 20040170160
    Abstract: A method of diverting a hunting function of a PSTN central office switch is provided. The method diverts a hunting function in the event a channel within a hunting group is available but a call can not be completed. The method comprises detecting a status of a plurality of user channels to determine whether all user channels associated with the hunting group are in use and providing a hunting diversion message to the PSTN central office switch in response to determining that all user channels associated with the hunting group are in use. The method also comprises detecting at least one user channel associated with the hunting group is available for an inbound call and providing a hunting enable message to the PSTN central office switch in response to determining that at least one user channel associated with the hunting group is available for an inbound call.
    Type: Application
    Filed: February 28, 2003
    Publication date: September 2, 2004
    Applicant: Innomedia Pte Ltd.
    Inventors: Xian-Xiang Li, Runlin Dong