voice grade

基本解释

ISDN is used on digital lines as well as on voice-grade lines.
整郃服務數位網路在數位線路上被使用就如同在聲音等級的線路上。
In a telephone system, a term applied to any non data transmission that makes use of voice grade lines.
在電話系統中的一種術語。適用於利用音頻段線路的任何非數據傳輸業務。
Some people say the voice is their father’s or grandmother’s or the voice of their third-grade teacher.
一些人說這想法是他們父親的，或是他們祖母的，或是他們三年級老師的。

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.
FORBES: Three Men And A Baby Bell
"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.
FORBES: Revenge of the Wallflower
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.
FORBES: The Time Is Now For Mobile Operators To Monetize LTE