Had I not prerecorded my demos, I would have had to bring along a few Exchange Servers and a telephone switch.

如果没有事先录制好演示内容，我就得带上几台交换服务器和电话交换机了。

youdao

Thus a base station of PHS is compatible with ISDN and is often connected directly to ISDN telephone exchange equipment e.g. a digital switch.

因此，小灵通基站也可与综合业务网系统相匹配并且经常作为综合业务网电话的交换设备。譬如，电子交换机。

youdao

Others exchange scurrilous messages by computer and telephone.

还有人通过电脑、电话交换恶俗下流的信息。

youdao

Staff walked out at BT's Riverside Place building in Belfast and the telephone exchange in Enniskillen.

BBC: BT workers go on strike

LLUs use equipment installed in a telephone exchange by a third party company, such as Orange, instead of BT.

BBC: NEWS | Technology | Orange broadband hit by outages

The further a home is from the telephone exchange, the slower the speeds at which data can be transmitted to it.

ECONOMIST: Video-on-demand