Chinese translation for "number unobtainable tone"

被叫用户占线忙音，空号音
空号音

Related Translations:

unobtainable:  难获得的

unobtainable tone:  空号音

number unobtainable:  电话不能接通

number unobtainable trunk:  空号中继线

number unobtainable signal:  空号信号

number unobtainable connection:  空号接续

dark tone:  深调

answer tone:  应答音

gold toning:  金调色

signal tone:  信号音振铃音

Similar Words：

"number two station" Chinese translation, "number twos" Chinese translation, "number unobtainable" Chinese translation, "number unobtainable connection" Chinese translation, "number unobtainable signal" Chinese translation, "number unobtainable trunk" Chinese translation, "number up" Chinese translation, "number user" Chinese translation, "number value" Chinese translation, "number variable" Chinese translation