Hotline 12345. According to relevant information, the Education Department of Liaoning Province can make a complaint by calling 12345 when the telephone line is busy. 12345 government service convenience hotline (hereinafter referred to as 12345 hotline) refers to the telephone number 12345, mayor's mailbox, SMS, mobile phone client and Weibo. Hotline 12345 can improve the service level for the people, promote administration according to law, innovate social governance, and safeguard the legitimate rights and interests of natural persons, legal persons and other organizations.