And frankly, if I were getting an ISDN line, I'd ask for a line that had no taps and no Bridges.

坦白地讲，如果我有一根ISDN线路，我会要求电缆中不带抽头和电桥。

youdao

Line coding is an important step in the design of full-duplex transmission system to support ISDN subscriber line basic access.

在ISDN用户线基本接入全双工传输系统的设计中，线路编码是重要的一步。

youdao

ISDN works over a standard "qualified" telephone line, which means telephone companies check to make sure the line has not been split or damaged.

ISDN工作在标准的“合格”电话线上，这意味着电话公司须检查以确保线路没有开裂或损坏。

youdao

For small businesses, AOpen America came out with two new modem routers, the IRoute 128 ISDN external modem router and the PRoute 112, an external standard phone line V.90 modem router.

CNN: New modems and related gear debut