A.手機(jī)進(jìn)入一個(gè)新的Routing Area B.手機(jī)進(jìn)入一個(gè)新的小區(qū) C.手機(jī)開(kāi)機(jī) D.手機(jī)周期性RAU時(shí)間過(guò)期
A.Location area update B.Routing area update C.Cell update D.Combined RAU and LAU
A.MS B.SGSN C.PDN D.HLR