CSFB信令流程(DOC 39页)

CSFB相关信令流程.....1
1.....移动性管理.....1
1.1.....联合附着流程.....1
1.2.....分离流程.....5
1.3.....UE发起的分离流程.....5
1.4.....MME发起的分离流程.....7
1.5.....HSS发起的分离流程.....8
1.6.....联合TA/LA更新流程.....8
1.7.....周期性TA/LA更新.....11
2.....语音业务.....11
2.1.....主叫语音业务.....11
2.2.....被叫语音业务.....13
2.3.....紧急呼叫业务.....16
2.3.1.....带USIM卡紧急呼叫业务流程.....16
2.3.2.....不带USIM卡紧急呼叫业务流程.....18
3.....SGs短消息业务.....18
3.1.....始发短消息业务流程.....18
3.2.....终结短消息业务流程.....23
4.....MTRF业务.....28
4.1.....呼叫入局后触发被叫漫游前转.....28
4.2.....预寻呼触发被叫漫游前转流程.....35
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