| 摘要 |
PROBLEM TO BE SOLVED: To obtain the vehicle use information communication system where a sender side confirms sure reception of a message even in the case where an information center sends the message to a pager. SOLUTION: In the case of sending a message to a vehicle use communication equipment 15, an information center 3 adds a return time designation label to designate a return time of reception confirmation to the message and sends the resulting message. On the other hand, the vehicle use communication equipment 15 uses a message analysis section to analyze a message received by a pager 31 and a return time designation label and uses a portable telephone set to send reception confirmation information of the message to the information center 3 depending on the return time designated by the return time designation label. Then the information center 3 receives the reception confirmation information returned from the vehicle use communication equipment 15 and denoting the reception of the message by using a personal computer. |
