视频网络服务器，通过网络发送JPEG数据实现远程网络摄象机功能、点对点视频传输、网络视频点播、视频图象的远程存储等。-video network server, through the network sent JPEG data network remote camera function, point-to-point video transmission, video-on-demand, video images of remote storage.

jpeg视频编解码程序，包括dct变换、量化、vlc等过程，针对视频压缩-jpeg video codec procedures, including Extra transform, quantization, VLC and so on, for video compression

H323到PSTN的网关 -Gateway from H323 to PSTN