B.Separate User Plane and Control Plane
C.TDM based connections in the core replaced with packet based backbone(ATM or IP)
D.MGW is a part of 3G MSS
A.王某1月5日通过ATM机累计现金存款30万元
B.李某通过银行柜面向王某现金汇款6万元
C.梁某1月10日和11日通过银行柜面共购买美元1万元
D.张某1月20日将3张现金支票共7万元存入自己银行账户