[单项选择题] SGSN gets GGSN’s IP address by communicating to () when a MS makes PDP context activation.
A.PAPU
B.HLR
C.MS
D.DNS
参考答案:
D问题解析:
解析无
[单项选择题] SGSN gets GGSN’s IP address by communicating to () when a MS makes PDP context activation.
参考答案:
D问题解析:
解析无