针对IN与Intemet互通的研究状况进行综述，并对互通的功能模型、接口和信息流以及互通支持的业务进行了分析。%This paper briefly summarizes the situation of research on IN/Intemet interworking. Moreover, it′s functional model,interfaces and information flow between IN and Intemet, services based on IN/Intemet interworking are analysed.
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