| 释义 |
outoforder signal 失常信号 In a communication system, a signal that is sent in the backward direction indicating that a call can not be completed because either the called terminal or the called terminal access line is in the outage state, is outofservice, or has a fault. 在通信系统中,一种反向发送的信号,用以表示不能完成呼叫,因为被呼叫终端或被呼叫终端存取线 处于停机状态,不能响应,或存在某种故障。 |