LTEUE附着请求,当用户的IMSI在HSS中未找到时,HSS拒绝MME对该用户的鉴权,拒绝原因值为DIAMETER_ERROR_USER_UNKNOWN(5001)时,映射的EMMCause是多少()
A.MME向UE发送附着拒绝消息,EMMCause=6(IllegalME)
B.MME向UE发送附着拒绝消息,EMMCause=7(EPSservicesnotallowed)
C.MME向UE发送附着拒绝消息,EMMCause=8(EPSservicesandnon-EPSservicesnotallowed)
D.MME向UE发送附着拒绝消息,EMMCause=3(IllegalUE)