voice grade

基本解释

ISDN is used on digital lines as well as on voice-grade lines.
整合服务数位网路在数位线路上被使用就如同在声音等级的线路上。
In a telephone system, a term applied to any non data transmission that makes use of voice grade lines.
在电话系统中的一种术语。适用于利用音频段线路的任何非数据传输业务。
Some people say the voice is their father’s or grandmother’s or the voice of their third-grade teacher.
一些人说这想法是他们父亲的，或是他们祖母的，或是他们三年级老师的。

Point One leases virtually all its capacity, under contracts in which the price of a voice-grade link has plunged in the past 18 months from 5 cents a mile per month to below 2 cents.
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"The basic model of combining volatile assets, which in themselves are not investment-grade, and a trading company, which is not investment-grade, and putting them together and saying, 'This is an investment-grade company, '" Sobotka says, his voice trailing off to signify the hopelessness of the task.
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As a result, operators can more effectively ensure a carrier-grade quality of experience for end users of High Definition voice and video, Web conferencing, instant messaging and presence, and other broadband-intensive mobile applications that go beyond the reliability of Skype, Apple FaceTime and other services suited for consumers but inadequate for the rigors of enterprise use.
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