Communication apparatus, storage medium, camera and processing method

摘要

In a system wherein one or more controllable camera(s) and one or more monitor(s) for displaying video information received from the camera(s) are connected to each other through a communication device, the states of all the cameras can be always understood at any monitor. Map management server software is provided to receive notification(s) of camera state information by all the cameras with the predetermined device, and to transmit the camera state information to all the monitors.