DSS2点到点信令呼叫连接/释放过程分析

Analysis of DSS2 Point-to-Point Signalling Call Connection/Release Control Procedure

介绍宽带综合业务数字网络中用户与ATM交换机之间使用的信令,即2号数字用户线信令DSS2的基本概念和Q.2931消息格式的组成、各部分的内容与功能、编码及其意义,介绍DSS2点对点呼叫连接/释放控制中的定时器和状态的定义与意义,以一次成功的呼叫建立与释放过程为例,结合定时器和状态的应用详细地分析了DSS2呼叫连接/释放处理的工作过程.

To introduce the signalling between B-ISDN's user and ATM switch, that is the basis concept of DSS2 ,and the composing of Q.2931 message format, each part content , code , function and the significance. It also introduces the definition and significance of timers and the state about DSS2 point-to-point call connection/release control procedure. Take a successful call connection/release course as example to illustrate DSS2 call connection/release control procedure with Timers and the State.