| 摘要 |
PROBLEM TO BE SOLVED: To improve reliability in transmission of messages such as short mails and allow messages to be transmitted even when congestion occurs. ! SOLUTION: Transmission means (a transmission control part 14) forming a message transmission system 300 transmits a message via a dedicated line 6 provided for each of a plurality of telecommunications carriers, in accordance with a transmission procedure of the most recent telecommunications carrier determined by determination means (a determination part 13) after recalling by calling means (a calling control part 12). The determination means analyzes calling response information collected by the current calling by referring to calling response information collected by the previous calling, and determines a telecommunications carrier of a changed telephone number on the basis of the number portability service. ! COPYRIGHT: (C)2014,JPO&INPIT |
