How do I delete members from my home network?

Hello, how to delete members of Tianyi Home Network:

Edit the short message "2500# member trombone to be cancelled" and send it to 1000 1 to delete the member.

Tianyi Home Network is a family business for family users. This service is initiated by mobile phone users and can form a 2- 19-person home network with relatives, friends, classmates and colleagues. One person pays the bill and many people can enjoy it. You can chat freely with three short numbers and enjoy 300 minutes of free calls in the province every month.