In order to facilitate the contact between students, they will change to the local card where the university is located after entering the university. Phone cards are purchased by the university and sent to each student together with the admission notice. Generally no one keeps the original number. You can open packages such as family happiness when you call home, and services similar to city roaming packages can be opened when you go home on holiday. There will definitely be a telecom business hall in the university.

In addition, students in the same school or department will open a V network and call each other with short numbers, which will save money.