题目:从信令( )里可以确定SIM卡支持eSRVCC[1分][1分]
A. S1 Initial Context Setup Request
B. S1 UE Context Release Request
C. RRCConnectionReconfiguration
D. S1 UE Context Release Command
题目:从信令( )里可以确定SIM卡支持eSRVCC[1分][1分]
A. S1 Initial Context Setup Request
B. S1 UE Context Release Request
C. RRCConnectionReconfiguration
D. S1 UE Context Release Command