释义 |
dial toneenUS
dial tonen. A low, steady tone in a telephone receiver indicating that a number may be dialed.di′al tone` n. a steady telephone tone indicating that the line is ready for dialing. [1890–95] Translationsdial toneenUS
dial tone[′dīl ‚tōn] (communications) A tone employed in a dial telephone system to indicate that the equipment is ready for dialing operation. AcronymsSeedesktop |