CSFB常见信令流程CSFB测试流程。(主叫,被叫) onnectionRequest-->onnectionRelease-->CMServiceRequest CMServiceRequest-->Alertingchannelrelease-->ept被叫流程Paging-->onnectionRelease-->PagingResponsePagingResponse-->Alertingchannelrelease-->ept在统计信令面时延时可采用以上的信令进行区分测试软件界面CSFB信令主叫:UE发起CSFB请求,4G侧响应回落2G在2G发起CMServiceRequest被叫:LTE将来自MSC的寻呼转给UE,被叫4G回落,在2G响应PagingResponseCSFB被叫连接态时,4G侧用CSServiceNotification发起CSFB的响应CSFB被叫空闲态时,4G侧用paging发起CSFB的响应被叫CSFB信令流程(连接态):被叫CSFB信令流程(空闲态):主叫CSFB信令流程:CSFB在不同无线环境下的差异跨LA:UE在2G发起CMServiceRequest或Pagingresponse时需要事先做LAU同LA:UE在2G发起CMServiceRequest或Pagingresponse不需要做LAU。
CSFB常见信令流程 来自淘豆网www.taodocs.com转载请标明出处.