METHOD FOR PROVIDING DATA SERVICE BY WIRELESS NETWORK CAPABLE OF PREVENTING ILLEGAL USE OF DATA SERVICE AFTER EXPIRATION OF TIME BASED CALL RATE, A TERMINAL THEREOF, AND A SERVER THEREOF

摘要

PURPOSE: A method for providing data service by wireless network, a terminal thereof, and a server thereof are provided to enable a user to have an optimal data service time.;CONSTITUTION: A terminal(120) requests data connection to a server(130) through wireless network(110). The terminal receives authorization approval information and service expiration time information based on a time based call rate through the wireless network. When service time is expired following the service expiration time information, the terminal cuts off the connected data.;COPYRIGHT KIPO 2012