COMMUNICATION METHOD; COMMUNICATION DEVICE; AND COMMUNICATION SYSTEM

摘要

A communication method enabling communication on a predetermined mobile communication network and communication on a predetermined wireless communication network different from the predetermined mobile communication network, includes the step of: switching, means for carrying out predetermined data transfer while maintaining a communication channel on the predetermined mobile communication network, between communication on the predetermined mobile communication network and communication on the predetermined wireless communication network, or activating or deactivating a part concerning the predetermined wireless communication included in a mobile terminal.