A.MS B.MSC C.VLR D.HLR
A.重發(fā)鑒權(quán)請(qǐng)求消息 B.拒絕用戶的業(yè)務(wù)請(qǐng)求 C.接受用戶的業(yè)務(wù)請(qǐng)求
A.MAP B.CAP C.INAP D.DTAP