◆ The receiving alarm form: with network and telephone sending alarm  prompt.
◆ When alarm, can  pop-up alarm information form and video form at the same time. Display real-time video and within 10s video record on the video form. The speed of transfers alarm information by network is faster than by telephone. So the receiving alarm center will pop-up alarm form firstly , then the receiving alarm host will receive the alarm information which can be as spare information, but once the internet is disconnect , this spare information will start and meanwhile the receiving alarm center will pop-up alarm form. 
◆ With manual and automatically switching alarm function. The system directly send the emergency alarm information to the appointed client.
◆ Each client can get the inspection information of the alarm host and DVR network status information  at the same time.
◆ Sending the alarm information by network and telephone line at the same time.
◆ The alarm information can automatically distribute to the spare client. The client is managed flexibility and can check the performance of the receiving alarm person.
◆ Support the telephone line alarm host protocol popular in the market. Can fit the center system on hand and upgrade to the double-channel transfers information.
◆ Support MapInfo and can support any map made by yourself.
◆ There are three channels to receive alarm information .It is very easy to maintain when any trouble happened. Unless the receiving alarm server has any problem , or the system still can work normally with the trouble.