\input zb-basic
\input zb-ioport
\iteman{io-port 70774633}
\itemau{Jeong, Okjo; Lee, Il-Jin; Kang, Shin-Gak}
\itemti{Design for supporting the multimedia emergency voip using PSTN and IP network}
\itemso{ICHIT, 248-251 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1644993.1645040}
\end