Method for transmitting information to terminal camera device by customer terminal in network video monitoring system

The present invention discloses a method for transmitting information from a client in network video monitoring system to a terminal camera device, wherein the transmitted information is mainly the information for controlling the terminal camera shooting device by the client, such as tilt and zoom lens control information to terminal camera shooting device and control information of image. The adopted mode is transmitting the control information between the client and the terminal camera shooting device with an INFO expansion method of SIP protocol. Therefore, the SIP conversation between the client and the terminal camera shooting device is not affected in the process of control information transmission. Furthermore a signaling channel is adopted for transmitting, and the transmission of medium flow is not affected.