English translation for "电话通信业务"

telephone message traffic
voice communication service

Similar Words：

"电话通话网路" English translation, "电话通路" English translation, "电话通信" English translation, "电话通信电路" English translation, "电话通信系统" English translation, "电话通信用户组" English translation, "电话通信装置" English translation, "电话通讯" English translation, "电话通讯运作模式" English translation, "电话通知" English translation