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介绍了智能网（IN）系统的物理体系结构和业务控制点（SCP）的逻辑结构，高级智能网（HIN）系统的SCP的各个模块的主要功能,SCP与其他物理实体以及SCP各逻辑之间通信和SCP与业务逻辑处理北序实例（SLPI）的通信方法。
This paper introduces the physical architecture of the IN system and the logical structure of the SCP. The main functions of each module of the SCP in the HIN system are described. The SCP and other physical entities as well as the logic of the SCP Communication and SCP and Business Logic Processing North-Ordered Instances (SLPI) method of communication.