What kind of business is Unicom's Youxuetong? What's the charge?

Youxuetong interactive educational information service is an educational information service based on the platform of Youxuetong system. "Youxuetong" system platform is a telecom instant messaging client based on the Internet and facing the modern information network. For teachers to convey students' growth information to parents through SMS, instant messaging, etc. Parents feedback their children's performance in family and society to the teacher's interactive education platform by replying or consulting messages. It provides a modern communication tool for schools and families that is completely free from time and space constraints.

Does the mobile phone card of "Youxuetong" service implement Unicom's 9-point card tariff? Minimum monthly consumption 10 yuan? Including the 6 yuan show? 4 yuan phone bill. 0.09 yuan/minute for local calls and 0. 15 yuan/minute for domestic long-distance calls? Does domestic long-distance call exclude Hong Kong, Macao and Taiwan? . In the roaming state, it is charged according to the national standard tariff.