为网络视频会议传输提供有效的通信安全，采用一个会议密钥分配的智能卡系统，来解决使用者身份认证和通信安全问题。
It presents smart card system of session key distribution for communications safety to net video conference transmission, resolves user identity authentication with security.
桌面型终端是强大的桌面型或者膝上型电脑与高质量的摄像机(内置或外置)，ISDN卡或网卡和视频会议软件的精巧组合。
Desktop terminal is powerful desktop or laptop with high quality video camera (internal or external), ISDN card or network adapter and video conference software choiceness combination.
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