A.Attach Request B.Tracking Area Update Request C.Authentication Requset D.Service Request E.Detach Request
A.Initial NAS message B.dependent NAS message C.Non-dependent NAS message D.additional NAS message
A.IP地址 B.安全相關(guān)參數(shù) C.UE能力信息 D.C-RNTI E.GUTI