Patents by Inventor Li-Yao TSENG

Li-Yao TSENG 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).

  • NETWORK ADDRESS TRANSLATION SERVER AND NETWORK ADDRESS TRANSLATION METHOD THEREOF
    Publication number: 20180159823
    Abstract: A NAT server and a NAT method thereof are provided. The NAT server receives a SIP message including private network RTP information from a user equipment. The NAT server modifies the private network RTP information of the SIP message into public network RTP information and creates in the mapping table a mapping record of the private network RTP information and the public network RTP information. The NAT server transmits the SIP message to a SIP server. The NAT server receives another SIP message from the SIP server, and determines that the public network RTP information of the another SIP message corresponds to the private network RTP information according to the mapping record. The NAT server modifies the public network RTP information of the another SIP message into the private network RTP information and transmits the another SIP message to another user equipment of the private network.
    Type: Application
    Filed: December 6, 2016
    Publication date: June 7, 2018
    Inventors: Whai-En CHEN, Li-Yao TSENG