This reduces the cost of remote access and offers greater security than is possible over dial-up lines.

这就降低了远地访问的成本，提供了比在 拨号 线上更大的安全性。

youdao

Back then, in 2000, fans started asking for a downloadable version, because everyone was still using dial-up modems and didn't want to tie up their phone lines.

到了2000年，粉丝们开始要求一个可以下载的版本，因为当时所有人都在使用拨号调制解调器上网，而且不想占用电话线。

youdao

Whether it's phone wire used for dial-up and digital subscriber lines (DSL), or the coaxial cables that carry cable modem connections, these connections are a bottleneck between the carrier's big pipes and your bandwidth-starved computer.

FORBES

Most businesses haven't spruced up billing and accounting to keep pace with the complex services, creating a system riddled with waste--paying bills for inactive lines, ignoring discounts and failing to spot employee fraud and curb excessive dial-up time from workers' homes.

FORBES: Dialing for Dollars