Once you dial, your VXML application should pick up, and let you know (in an unexciting mechanical voice) that "Things are working correctly!

拨号后，您的 VXML 应用程序应获取号码，并让您知道（用一种单调机械的声音）：“Things are working correctly!

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Definition of: ISDN (Integrated Services digital Network) an international standard for switched, digital dial-up telephone service for voice and data.

定义：ISDN(综合服务数字网络)，是一个国际转换标准，是为了语音和数据的数码拨号上网电话服务。

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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.

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。

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Nonetheless, more and more Internet service providers are likely to start offering voice services as a way to try to hang on to dial-up customers and keep them from going to the cable or phone companies.

FORBES: EarthLink To Bundle Services