frequency ringing的意思|示意
选频振铃
frequency ringing相关短语
1、 voice-frequency ringing 声频振铃
2、 voice frequency ringing set 音频振铃设备
3、 incoming voice frequency ringing 呼入音频振铃
4、 ringing frequency 振铃频率,自振周期,自振频率
5、 outgoing voice frequency ringing 呼出音频振铃