题目内容
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[主观题]
VoLTE网络中,当网络发送NOTIFY消息告知终端用户已去注册且instance ID与终端注册时上报的inst
ance ID匹配时,终端应回应()消息,并删除当前会话,进入去注册状态。
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A.expiretime-300s
B.expiretime-600s
C.expiretime-900s
D.expiretime-1200s
A.当LTE网络到达全掩盖时,VoLTE语音计划将成为运营商的终极解决计划
B.VoLTE的中心事务操控网络是IMS(IP多媒体子体系)网络
C.IMS体系和EPS网络合作,能够供给和电路域相似的语音事务及其弥补事务
D.以上都正确
A.CS Fallack GMS
B.CS Fallack LTE
C.EPC Fallback VoLTE
D.EPC Fallback LTE
A.向UE发送AttachAccept
B.向P-GW发送createdefaultbearerrequest
C.向eNB发送RBEstablishRequest
D.向S-GW发送createdefaultbearerrequest
A.17userbusy
B.18nouserresponding
C.19noanswerfromtheuser
D.20subscriberabsent
A.900s
B.1200s
C.1800s
D.3600s
A.QCI5>QCI1>QCI2
B.QCI1>QCI2>QCI5
C.QCI2>QCI1>QCI5
D.QCI2>QCI5>QCI