| 释义 |
data under voice data under voice[′dad·ə ‚ən·dər ′vȯis] (communications) A telephone digital data service that allows digital signals to travel on the lower portion of the frequency spectrum of existing microwave radio systems; digital channels initially available handled speeds of 2.4, 4.8, 9.6, and 56 kilobits per second. Abbreviated DUV. |