在对各种会议模型的分析和对比的基础上，文中提出了一种以SIP作为控制信令的分布式多媒体会议框架D CF。
After analysis and comparisons of various conference models, a distributed multimedia conference framework-DCF using SIP as controlling signaling is proposed.
此模型已用于分布式多媒体著作工具的开发。
The distributed multimedia authoring tool being developed is based on this model.
此模型已用于分布式多媒体著作工具的开发。
The distributed multimedia authoring tool being developed is based on this model.
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