\input zb-basic
\input zb-ioport
\iteman{io-port 70751908}
\itemau{Zheng, Gengsheng; Xie, Zhiping; Wang, Bo; He, Guiming}
\itemti{A new tunnel scheme for multimedia communications traversing NAT/firewall in NGN}
\itemso{PDCAT, 171-173 (2005).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/PDCAT.2005.29}
\end