METHOD OF PROVIDING USER GROUP SERVICE, SERVER PERFORMING THE SAME AND RELAY SERVER PERFORMING THE SAME

摘要

The user group service providing method is performed in a user group service providing server that can be connected to a user terminal carried by a user and a user group relay server. Wherein the method comprises the steps of: creating a closed user group that is dependent on the user group relay server and can be configured as at least one user; when the user terminal is connected to the user group relay server, And providing a user group service associated with the closed user group configured to the user terminal using the communication channel established through the user group relay server.