The voice/data integrated communications network is a wide area network (WAN) which transmits radar, voice, AFTN and VHF signals between ATC centres in central and southern china.

• 话音/数据综合通信网络是民航中南地区传输雷达信号、话音移交信号、 A F T N 信号、 V H F 信号等的广域网络。