Abstract: Provided are an alarm verification system and a method thereof. According to the present invention, when occurrence of an emergency situation such as a crime or a fire is uncertain when a predetermined alarm is generated, a verification request message is transmitted to an emergency contact network which is registered in advance and, when information on the occurrence of an emergency situation is included in a response message thereof, information on the occurrence of an emergency situation is provided to a server of a police station, a hospital, a fire station, or the like, which is registered in advance so that it is possible to avoid payment of penalty for erroneously reporting for occurrence of an emergency situation, perform prompt action in response to the occurrence of the emergency situation, improve convenience in use, and improve reliability of the entire system.

Abstract: The present invention provides a network camera having a plurality of digital output terminals for outputting an alarm, and a method of controlling the network camera. That is, the present invention includes a plurality of digital output terminals for transmitting image information obtained through a wireless communication network to a server and transmitting information about sensing a person and information about a problematic situation, respectively, using a 4-wire cable, so it is possible to check whether it is a normally-closed state or a normally-open state through the plurality of digital output terminals that are individually managed, respectively, and accordingly, it is possible to improve convenience in use.