答案:ABCD
答案:ABCD
A. A、Eul_NbapMessageFailure
B. B、M3UAAssociationDown
C. C、MTP3bRouteSetUnavailable
D. D、Ranap_RemoteFailurec
A. A、0
B. B、1
C. C、2
D. D、3
E. E、6
A. A、MO(MobileOriginating)–signaling
B. B、MO–data;
C. C、MT(MobileTerminating)–access;
D. D、Emergency;
E. E、highPriorityAccess;