English translation for "电话业务信道"

telephone service channel
telephone traffic channel

Similar Words：

"电话业务" English translation, "电话业务标准" English translation, "电话业务分局" English translation, "电话业务观察" English translation, "电话业务提供商" English translation, "电话业务信息系统" English translation, "电话业务应用编程接口" English translation, "电话业务应用程序接口" English translation, "电话业务状态测量程序" English translation, "电话医学" English translation