<MME Side> Case 1 : The UE try to attach with IMSI. And there is no the UE Context in Network (MME). Case 2 : The UE try to attach with GUTI and MME is unchanged. And there is no the UE Context in..
LTE - Criteria for Classification of Initial Attach에 대한 요약내용입니다.
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원문링크 : LTE - Criteria for Classification of Initial Attach