短消息流程M900/M1800 基站子系统信令分析手册目录目录第 13 章 短消息流程 .............................................................................................................13-113.1 概述 ............................................................................................................................... 13-1 13.2 正常流程 ........................................................................................................................ 13-2 13.2.1 SDCCH 上的短消息主叫流程 .............................................................................. 13-2 13.2.2 SDCCH 上的短消息被叫流程 .............................................................................. 13-4 13.2.3 SACCH 上的短消息主叫流程 .............................................................................. 13-6 13.3 SACCH 上的短消息被叫流程 ................……