| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique capable of improving convenience when sharing electronic mail contents exchanged with an opposite telephone communication part in the past.SOLUTION: Between IP telephone terminals 1-1, 1-2 having an established communication path, one IP telephone terminal 1-1, 1-2 on which an electronic mail is being displayed transmits a mail display request accommodating the designation of the electronic mail identification information to the other IP telephone terminal 1-2, 1-1. On receipt of the request, the other IP telephone terminal 1-2, 1-1 retrieves an electronic mail associated with the identification information designated in the mail display request received from the one IP telephone terminal 1-1, 1-2, from among preserved electronic mails that were transmitted and received in the past, and displays the retrieved mail. |
