MOBILE COMMUNICATION TERMINAL, SUBSCRIBER AUTHENTICATION MODULE, COMMUNICATION SYSTEM AND COMMUNICATION METHOD

摘要

A mobile communication means (11) performs communications via a mobile communication network (20). In this example, in particular, the mobile communication means (11) receives first or second information. The first information is information for use in causing a mobile communication terminal (10) to function as a slave unit. The second information is information for use in causing the mobile communication terminal (10) to function as a master unit. An e-mail client means (12) executes processing that includes creating and transmitting/receiving e-mail messages. After reception of the first information, the e-mail client means (12) accepts a reservation of transmission of an e-mail message.