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阐述了软交换技术原理及其网络体系结构,结合广州地铁线网调度通信系统现状及软交换技术的特点分析软交换调度通信系统建设的必要性,从地铁线网调度通信的功能需求着重研究利用软交换技术构建软交换调度通信系统。
The principle of softswitch technology and its network architecture are expounded. Based on the status quo of Guangzhou metro line dispatching communication system and the characteristics of softswitch technology, the necessity of constructing softswitch dispatching communication system is analyzed. The functional requirements of metro dispatching communication are studied and utilized Softswitch technology to build softswitch dispatching communication system.