当你在办公室里接到电话，你可能找到不正确的分机号，或者你不想惹事，就随便将电话转到部门里的其他电话机上。

When someone calls your office phone and you transfer them to a random number from a department you choose because you either can't find the correct number or you don't feel like looking it up.

youdao

首先声音信号的发收和其他电话一样……但受话人必须也有一个可视电话机。

First, the audio signal is established in the same way that any phone call is made... only if the called subscriber also has a video phone set.

youdao