电话拨号接入即Modem拨号接入,是指将已有的电话线路,通过安装在计算机上的Modem(“调制解调器”,俗称“猫”),拨号连接到互联网服务提供商(“ISP”)从而享受互联网服务的一种上网接入方式。
电话公司也对部署具有七号信令功能的接入交换机感兴趣,以提供新的服务和把因特网拨号通话从话音网络中解脱出来。
Telephone companies are interested in deploying SS7-capable access switches to offer new services and to off-load the Internet dial-up calls from the voice network.
贝尔系统通过拨号代替铜线,你打电话透过有线或DSL的互联网接入服务提供者贵。
Instead of dialing through the Bell System copper wires, you make calls through your DSL or cable Internet access provider.
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