| 摘要 |
PROBLEM TO BE SOLVED: To provide means capable of sharing data even between respective information terminals concerning a system for electrically sending data from the respective plural information terminals arranged in shops or the like to the head office. SOLUTION: Information terminals 30 are arranged in respective shops 20 and connected with a server 10, which is arranged in the head office, by a public line L1. Sales data or the like are inputted from an input part 33 of the information terminal 30 and electrically sent to a server 10 in the head office. The server 10 receives these data. The server 10 prepares a relation table for relating the data received from the respective information terminals 30, information terminal ID expressing the information terminal 30 to electrically send these data and the telephone number of the public line L1 to be connected to that information terminal 30. When data are received from the information terminal 30, while referring to the relation table, these data are electrically sent to the information terminal to which the data are to be electrically sent. |
