模拟用户线接口电路是数字程控交换系统的重要组成部分。
Subscriber line interface circuit is an important part of digital program-controlled switching system.
配置了SD读卡器及USB接口，用户可以通过附赠的音频线将它与电脑等设备连接，播放音乐。
SD card reader and configure the USB interface, user can pass throw in audio line will be it with computers, music, play device to connect.
STA5型用户板用于数字程控交换机的用户接口，也可做为各类接入网系统的远端二线模拟接口。
STA5 subscriber line is applied to subscriber line interface of programmed control digital switches, and two wire analogy remote interface of access network.
通过语音访问应用程序需要终端用户通过传统的电话线呼叫调用服务器，并通过音频接口进行交互。
Accessing applications via voice entails an end user calling a server on a traditional phone line and interacting with an audio interface.
通过语音访问应用程序需要终端用户通过传统的电话线呼叫调用服务器，并通过音频接口进行交互。
Accessing applications via voice entails an end user calling a server on a traditional phone line and interacting with an audio interface.
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