07-移动主叫流程.pdf

07-移动主叫流程6015752809M900/M1800 基站子系统 信令分析手册 目 录

目 录
第 7 章 移动主叫流程 .............................................................................................................7-1
概述 ................................................................................................................................... 7-1
正常流程............................................................................................................................ 7-1
Mobile originating call establishment without OACSU (early assignment) ............. 7-2
Mobile originating call establishment with OACSU (late assignment) .................... 7-5
Mobile originating call establishment with OACSU (Very early assignment).......... 7-7
异常流程............................................................................................................................ 7-8
随即接入、立即指配异常流程................................................................................. 7-8
MSC 未下发 Assignment request 而是直接下发 Disconnect 拆除呼叫.................. 7-9
指配异常流程.......................................................................................................... 7-9
掉话造成的异常流程 ............................................................................................. 7-10
用户挂机造成的异常流程...................................................................................... 7-10
MSC 清除造成的异常流程..................................................................................... 7-11
i
M900/M1800 基站子系统 信令分析手册 第 7 章 移动主叫流程

第7章 移动主叫流程
概述
移动主叫（始呼）包括 MS 拨打 MS、MS 拨打固定电话，不包括短消息始发。
正常流程