METHOD FOR MAKING CALLS SIMULTANEOUSLY ON THE MULTI MODE MOBILE DEVICE

摘要

PURPOSE: A method for simultaneously using mobile communication methods in a wireless mobile communication terminal is provided to shorten consumption time when a terminal using mobile communication methods wants to change a mobile communication method. CONSTITUTION: A sub system using plural wireless mobile communication methods is provided. A sub system using each mobile wireless mobile communication method determines the priority of the sub system. The sub system notifies the determined priority to another sub system through a priority determining device. The sub system can know a use sate of another sub system. The sub system with high priority sets a priority of the sub system in the priority determining device.