计算机术语“channel busy tone”的中英文意思、释义、翻译及用法-计算机英汉双解词典

术语	channel busy tone
释义	channel busy tone 信道忙音 An audible signal indicating that a call can not be completed because of trunk or switching system blocking. The tone is applied 120 times per minute. 表示由于线路或交换系统堵塞,呼叫无法接通的音频信号,每分钟为120响。
随便看	I/O buffer I/O bus lines IOC IOC I/O cable I/O channel I/O communications device I/O control I/O controller(I/OC) I/O control manager I/O control system(IOCS) IOCP IOCS IOD I/O data base I/O device I/O diskette slot I/O driver I/O equipment I/O exchange I/O exchange buffering I/O function code I/O hardware control I/O instructions I/O interface control module

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