Most of existing video conferencing systems comply with H. 323 protocol, and have a video server to receive and transfer the voice and video.
目前的视频会议系统大多基于H . 323协议，在系统中由视频服务器来接收、转发音视频数据。
Most of existing video conferencing systems comply with H. 323 protocol, and have a video server to receive and transfer the voice and video.
目前的视频会议系统大多基于H . 323协议，在系统中由视频服务器来接收、转发音视频数据。
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