本文分析了公用通信网中非话音信号传输的特点，提出并实现了万门话路非话信号检测系统的研制方案。

The features of non-voice signals on public communication nets are analysed and an approach to distinguish such signals is introduced in this paper.

youdao

本文分析了公用通信网中非话音信号传输的特点，提出并实现了万门话路非话信号检测系统的研制方案。

The features of non-voice signals on public communication nets are analysed and an approach to distinguish such signals is introduced in this paper.

youdao