voice-frequency ringing的意思|示意
音频响
voice-frequency ringing的网络常见释义
声频振铃 ... voice-frequency circuit 音频电路 voice-frequency signalling 音频信号方式 voice-frequency ringing 声频振铃 ...
voice-frequency ringing相关短语
1、 voice frequency ringing set 音频振铃设备
2、 incoming voice frequency ringing 呼入音频振铃
3、 outgoing voice frequency ringing 呼出音频振铃