No.7信令(TUP)呼叫过程研究  

Research on call process of No.7 signaling(TUP)

作　　者：王立华[1] 于振江[1] 

机构地区：[1]河北省邢台供电公司,河北邢台054001

出　　处：《电力系统通信》2007年第9期14-19,共6页Telecommunications for Electric Power System

摘　　要：No.7信令是全球电信网络中应用最广泛的协议,也是电力系统交换网络的重要支撑。文章以一次呼叫接续为例,对No.7信令(TUP)进行了详细说明,用具体的例子和数字说明了No.7信令的工作原理,并分析总结了No.7信令呼叫过程中的一些特点。No. 7 Signaling is the most popular protocol in the telecommunication networks. It is also the main protocol of electric power exchange network. Taking a call connection for example, this paper introduces the working principle of No. 7 signaling （TUP） in detail and summarizes some characteristics of call process.

关 键 词：NO.7信令 消息信号单元 消息 呼叫过程 

分 类 号：TN915.05[电子电信—通信与信息系统]