Patents by Inventor Gene Y. Zhang

Gene Y. Zhang 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: 8284918
    Abstract: Subscribers of an enhanced communication system are enabled to indicate invocation or clearing of media specific features such as music-on-hold or video-on-hold. The invocation or clearing is transmitted to participating end points as a Session Initiation Protocol (SIP) re-INVITE message with Session Description Protocol (SDP) attribute descriptions identifying the feature, applicable media channels and whether the message is for invocation or clearing of the feature.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: October 9, 2012
    Assignee: Microsoft Corporation
    Inventors: Srivatsa Srinivasan, Sundaram Anantharaman, Gene Y. Zhang
  • Publication number: 20100183136
    Abstract: Subscribers of an enhanced communication system are enabled to indicate invocation or clearing of media specific features such as music-on-hold or video-on-hold. The invocation or clearing is transmitted to participating end points as a Session Initiation Protocol (SIP) re-INVITE message with Session Description Protocol (SDP) attribute descriptions identifying the feature, applicable media channels and whether the message is for invocation or clearing of the feature.
    Type: Application
    Filed: January 20, 2009
    Publication date: July 22, 2010
    Applicant: Microsoft Corporation
    Inventors: Srivatsa Srinivasan, Sundaram Anantharaman, Gene Y. Zhang