The tourists emergency hot line system can be connect to the Police 110 alarm call, Area network alarm, wired, wireless, Optical fiber communication, etc. Each Emergency hot line terminal will be installed in site to make the scenic spot into a alarm nets, so that the control center is able to deal with it timely while there is emergency.

The distribution for drinking water sources and reservoirs are very wide in urban area, each city and each towns also have differences. It

As an important part of the smart city, the Sos intercom column is implementing a series of smart street lamps and smart courtyard lamp projects to provide smart lighting, WIFI coverage, 4G/5G micro base stations, One-click help alarm, city broadcasting, surveillance camera, micro-environment monitoring and other functions are integrated with road lighting poles, taking into account the aesthetic needs of urban road construction and meeting the many functional needs of urban management.

The ip telephone system is a modern, telephone communication system based on the ip network and the Internet Voice Protocol (VOIP).

The explosion-proof broadcasting system is based on VOIP network communication technology, and the related equipment is RJ45 interface, which can share the transmission line channel with Ethernet-based transmission equipment such as monitoring and PLC control. There is no need for additional wiring, which increases costs.

Ip solutions inmate calling can help prison guards to keep abreast of prison personnel's detention and related information, and can effectively control and prevent emergencies, such as disputes in prisons, jailbreaks, suicides, etc. The main principle of the inmate calling solution is security and confidentiality, which is convenient for police officers to monitor and hang up in real time.