A.S-GW B.MME C.P-GW D.HSS
A.SCTP端口號(hào) B.信令I(lǐng)P地址 C.MCC和MNC(ADD MMEID) D.ECU單板槽位號(hào)
A.1~4 B.5~9 C.1~9 D.1~15