A.在本地安全中心
B.NSN內(nèi)部外部區(qū)分
C.NSN內(nèi)部外部相同

A、Each session started from EMM-DEREGISTERED state 
B、Each session started from RRC-IDLE EMM-REGISTERED state 
C、Each session started from RRC-CONNECTED state 
D、Each session started from pdp-connect-request