12.5 kHz TDMA channel based professional digital trunking communication system—Technical specifications for call control layer of air interface
全国通信标准化技术委员会(SAC/TC 485)
本标准规定了基于12.5 kHz信道的时分多址(TDMA)专用数字集群通信系统空中接口呼叫控制层的地址码、协议数据单元格式、消息顺序和参数定义等内容。
本标准适用于频率范围为30 MHz～1 GHz的基于12.5 kHz信道的时分多址(TDMA)专用数字集群通信系统(以下简称“集群系统”)。
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