信令

• Signaling system processing module spm
  信令系统处理模块
• Lvds electrical characteristics of low voltage differential signaling interface circuits
  低电压微分信令
• Signalling tone peak frequency deviation
  信令音峰值频偏
• Custom local area signaling services
  自定义本地信令业务
• A study on signal detective unit in users telephone - line collective system
  用户集线器信令检测单元的研制
• Low level signaling transfer point lstp
  低级信令转接点
• Ipcablecom cms to cms signaling
  Ip电缆通信cms到cms信令