| 摘要 |
<p>PROBLEM TO BE SOLVED: To evade an updating process that a communication terminal at a data transmission destination does not require eventually by updating reception- side saved data saved on a reception-side communication terminal device according to modification information of modification information mail received by the reception-side communication terminal device. SOLUTION: A stored data buffer 13 holds individual information data 52 read out of a data storage part 10 and an altered data buffer 14 holds individual information data 52 that a user has edited. A data comparison part 15 compares the stored data of the buffer 13 with the altered data saved in the buffer 14 and a mail generation part 3 composes alteration information mail of alteration information on the comparison result, transmission-side stored data, and altered data. The alteration information mail is received by the reception-side communication terminal device to update the reception-side stored data saved on the reception-side communication terminal device.</p> |
