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1、引言民航贵州空管分局现在使用的内话系统是瑞士所产SCHMID ICS 200/60内话系统。在空中交通管制领域中,将各类无线电资源和电话资源集中交换处理,为管制部门提供地空和地面语音通信服务的系统,称为语音通信交换系统(Voice Communication Switching System,VCSS),简称内话系统。空管语音通信通常分为地空通信和地面通信,
1, Introduction Civil Aviation Guizhou Branch of the air traffic control is now used by the Swiss-made SCHMID ICS 200/60 internal system. In the area of air traffic control, a system for centralized control of various types of radio resources and telephone resources for the purpose of providing terrestrial and terrestrial voice communications services to regulatory agencies is referred to as a Voice Communication Switching System (VCSS) Words system ATC empty voice communications are usually divided into terrestrial and terrestrial communications,