Why can't the alarm information be sent out?

The alarm message cannot be sent out. It may be that the mobile phone is in arrears or the mobile phone has no signal.

1, 12 1 10 are the unified public service short message alarm numbers of China public security organs, which are a form of short message alarm, a supplement to 1 10 telephone alarm, and an auxiliary and non-emergency call for help. The Ministry of Public Security decided to launch 12 1 10 SMS alarm service nationwide in 20 12.

2. SMS alarm is only supported in some parts of the country, and sending SMS alarm is invalid, lost, incomplete and delayed. Therefore, the most common, effective and quickest alarm method in China is to dial 1 10.