视频会议(video conferencing)这一技术范畴实际上包含各种各样的应用和硬件,例如可视电话、文件合作和白板。有些卖主提供兼有好几种功能的综合产品,而另一些卖主只致力于如文件合作之类的单一功能的产品。但这些开发活动都有这样的共性:能让位于不同地点的PC用户如同亲临同一会议室一样进行对话。 很多人把台式视频会议想像成可视电话。可视电话这项技术30年前就在纽约的世界博览会上展出过,但直到最近由 The technical category of video conferencing actually includes a wide variety of applications and hardware such as videophones, file collaborations and whiteboards. Some vendors offer integrated products that combine several functions, while others are dedicated to single-function products such as file collaboration. However, all of these developments have something in common: allowing PC users in different locations to talk as if they were in the same meeting room. Many people think of desktop video conferencing as a videophone. Videophone This technology was exhibited at the New York World’s Fair 30 years ago but until recently