Patents by Inventor Ming Che Yeh

Ming Che Yeh 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).

  • TRAVERSAL METHOD FOR ICMP-SENSITIVE NAT
    Publication number: 20140241339
    Abstract: In SIP network environment, a general NAT traversal method will become invalid when an NAT with ICMP (Internet Control Message Protocol) is met. The present invention provides four sessions for SIP, i.e. Login Session, Port Prediction Session, Synchronization Session and Media Session, and the SIP network environment includes a first Internet telephone, a second Internet telephone, a first symmetric NAT, a second symmetric NAT and an SIP proxy server. The first symmetric NAT and the second symmetric NAT are ICMP-sensitive. In the Synchronization Session, the first Internet telephone and the second Internet telephone are designed to transmit packets synchronously to avoid port locking.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 28, 2014
    Applicant: NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
    Inventors: Shaw Hwa Hwang, Bing Chih Yao, Chao Ping Chu, Ning Yun Ku, Tzu Hung Lin, Ming Che Yeh