中国电子学会通信学分会于１９９９年７月６～７日在福州市召开了ｉＤＥＮ数字集群通信系统现场研讨会。参加会议的有信息产业部、铁道部、水利部、公安部、安全部、广播电视局、国家防总、民航总局等主管通信的领导和代表，福建省公安、交通、安全、电力等厅局负责通信的领导 China Institute of Electronics Communication Credit Branch held a live seminar on iDEN digital trunking communications system in Fuzhou from July 6th to July 7th, 1999. The leaders and representatives of the competent communications such as the Ministry of Information Industry, the Ministry of Railways, the Ministry of Water Resources, the Ministry of Public Security, the Ministry of Security, the Bureau of Radio and Television, the National Defense General Office and the General Administration of Civil Aviation of China attended the conference and the officials from the departments of Public Security, Traffic, Safety, Electric Power Responsible for the leadership of communications