A.30K B.60K C.120K D.160K
A.基本話音業(yè)務(wù) B.語音與信息或Internet相結(jié)合的業(yè)務(wù) C.多媒體業(yè)務(wù) D.通過API開發(fā)和生成的業(yè)務(wù)
A.4 B.5 C.8 D.11