Is there an alarm SMS platform?

Yes The number is: (12 1 10). The way that mobile users of China Mobile, China Unicom and China Telecom write short messages and send them to public security organs through mobile terminals is called short message alarm.

Demand groups of SMS alarm:

It is mainly the deaf-mute disabled (deaf-mute and hearing impaired, speech impaired and deaf-mute) and some people who are inconvenient to use voice alarm.