单项选择题
A.HSS B.PCRF C.P-GW D.S-GW
A.BICC B.No.7 C.Diameter D.CAP
A.MCC+MNC+MSIN B.MNC+MCC+MSIN C.MSIN+MNC+MCC D.MSIN+MCC+MNC
A.TMSI B.P-TMSI C.IMPI D.IMPU
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