On the manual warning button has the fire prevention telephone jack.

手动报警按钮上带有消防电话插孔。

For example, if a traveler plugs a notebook computer into the telephone jack in a hotel room, he has mobility without a wireless network.

例如，如果旅行者插入在一个酒店房间的电话插孔的笔记本电脑，他有移动性而不是无限网络。

Jack (on the telephone) : Please come to help me. My computer doesn't work now.

杰克(在电话中)：请来帮我一把。我的电脑现在不工作了。

Thee headphone jack is an analog connection originally designed for old-fashioned telephone switchboards in the early 20th century.

耳机接口这种模拟连接原本是20世纪初专为老式电话交换机所设计的。

Here's a telephone call for you, Jack.

杰克，有你的一个电话。