signaling system
短语词组
- Signaling collection system 信令採集系統
- signaling monitor system 信令監測系統
- railway signaling indication system 鉄路信號顯示制式
- signaling monitoring system 信令監測系統
- signaling protocol system 信令協議系統
- signaling g system 信號系統
- CSCS Common Signaling Channel System 公共信令通道系統
- voice frequency signaling system 音頻信令系統
- proprietary signaling system 私有信號系統 返回 signaling system