busy signal


busy signal

n. A series of sharp buzzing tones heard over a telephone when the line dialed is already in use.

busy signal

n (Telecommunications) US and Canadian a repeated single note heard on a telephone when the number called is already in use. Also called (especially in Britain): engaged tone

bus′y sig`nal


n. (on a telephone line) a rapid succession of buzzing tones, indicating that the number called is in use. [1890–95]
Translations
占线信号占线音

busy signal

占线信号zhCN, 占线音zhCN