Patents by Inventor Xiukai ZHANG

Xiukai 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).

  • Publication number: 20210185132
    Abstract: The present application is applicable to the technical field of communication, and provides a session initiation protocol (SIP) information analysis method and device, a server, and a medium. The method includes adding a header field identifier to each of SIP messages; performing packet capture on each of the SIP messages to respectively obtain a first SIP message and a second SIP message when each of the SIP messages passes through an external network switch and an internal network switch; performing matching identification on each of the first SIP messages and each of the second SIP messages according to the header field identifier of each of the SIP messages, to determine a first SIP message and a second SIP message having the same header field identifier; and analyzing the SIP messages according to the first SIP message and the second SIP message having the same header field identifier.
    Type: Application
    Filed: January 31, 2018
    Publication date: June 17, 2021
    Inventors: Xiukai ZHANG, Enyan FAN, Lei QIAO, Guangwei LIU