ROAMING CONROL METHOD FOR REDUCTION OF ROAMING CHARGE ROAMING SERVICE APPARATUS AND ROAMING TERMINAL THEREOF

摘要

The present invention relates to a roaming control method, a roaming service apparatus, and a roaming terminal that can effectively reduce the transmission fee of a roaming terminal using a data network and enable real-time charging processing. The roaming terminal transmits a roaming origination request message to the roaming terminal through the roaming terminal, and transmits a roaming origination request message to the roaming terminal in response to the roaming origination request message. In response to receiving the roaming origination request message from the roaming terminal, And causes the roaming terminal and the counterpart terminal to be connected to each other according to the call termination response of the roaming terminal.