A.10649支持開通網(wǎng)間短信 B.10649不開通語音業(yè)務(wù) C.149開通語音業(yè)務(wù) D.149支持開通網(wǎng)間短信
A.NAT AAA HLR MME B.HA/CCG S-GW VPDNAAA SMSG C.P-GW PCRF HSS CG槽 D.PCRF VPDNAAA DNS