How to send anonymous alarm information

You can't call the police anonymously.

According to the article "How to give an anonymous alarm by mobile phone" in the Encyclopedia of Time Wealth Knowledge, at present, the real name and contact information of the alarm person must be left in the mobile phone alarm, and it cannot be anonymous.

Alarm refers to reporting an emergency or sending an emergency signal to the police by telephone, internet, letters, etc. Protect the state, public interests and personal, property and other rights of oneself or others from losses.