西门子EWSD程控交换机OMC接口通讯程序源代码，实现OMC接口人机交互发送指令和采集报告

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Introduction GSM network’s architecture Mobile Station and possible identifications Base Station Subsystem (BSS) Network and Switching Subsystem (NSS) Operation and Maintenance Center (OMC) Location update RADIO HANDOVER BURSTS TYPE