Subscriber line interface circuit is an important part of digital program-controlled switching system.
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。
This paper reports a multi-feature stored program controlled (SPC) switching system which has voice and data exchange feature and multi-interface.
本文介绍一种具有话音和数据交换功能且具有多种用户接口的多功能交换系统。
An embodiment of the invention describes a system and method for switching processes selectable by keys on human interface devices.
本发明的实施例描述了能够通过人性化接口装置上的按键来选择性地切换处理的系统及方法。
Mobile-services Switching Centre - Base Station System (MSC - BSS) interface;
移动业务交换中心-基站系统（MSC-BSS）接口；
Mobile-services Switching Centre - Base Station System (MSC - BSS) interface;
移动业务交换中心-基站系统（MSC-BSS）接口；
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