详细介绍了JTAPI的组成及使用方法，并在此基础上论证了用JTAPI实现军用指挥网中话音传输优点，最后论述了在军网中用JTAPI开发语音通信的方法。
This thesis gives a detailed introduction to the JTAPI composition and operation method and demonstrates the advantages of JTAPI on realizing voice transmission in commanding autoimmunization network.
双音多频是一种在话音信道用音调来表示数字的方法，它可以用来在模拟话音信道传输信令，因此在通信中有广泛的应用。
Provide is a voice channel and tone to represent Numbers method, which can be used to transmit analog voice, so in communication has been widely used.
一种数字私线服务，传输话音、数据、视频以及其他的数字信号。
A digital private line service that transmits voice, data, video and other digital signals.
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