A.統(tǒng)一管理 B.統(tǒng)一接入 C.統(tǒng)一計費 D.統(tǒng)一門戶
A.漫游地ISMP B.歸屬地ISMP C.全國ISMP D.就近ISMP
A.業(yè)務(wù)產(chǎn)品數(shù)據(jù) B.CPSP數(shù)據(jù) C.終端數(shù)據(jù) D.SPCP結(jié)算規(guī)則數(shù)據(jù)