Promotion system and method of managing automatic vending machine by the promotion system

摘要

To send point information indicated by an automatic vending machine to a center unit by a packet communication function of a portable telephone of a user of the automatic vending machine, a free space in a single packet of the point information to be sent from the automatic vending machine to the center unit is used to send management information such as sales information, stock information, failure information and the like of the automatic vending machine to the center unit.