(The remote network video monitoring system (referred to as the monitoring system) adopts the latest technology in the fields of digital video, computer, communication, automation, etc. It is a perfect connection of audio, data and video. The system fully connects the characteristics used in the domestic video monitoring field, and It has achieved digitization, networking, intelligence and systematization. The system can be widely used in telecommunications, mobile, China Unicom, China Netcom, Jitong, electric power, railway.)