| 摘要 |
PROBLEM TO BE SOLVED: To output disaster relevant information necessary for disaster prevention and reconstruction at the time other than the occurrence of disaster.SOLUTION: A communication system 1 receives and determines, between image forming apparatuses Gk1 to Gkn for transmitting communication information and image forming apparatuses Gk1 to Gkn for receiving the communication information, addition designation information designating additional information to be added to the communication information; and the reception-side image forming apparatuses Gk1 to Gkn acquire additional information corresponding to the determined addition designation information from an advertisement server SV providing additional information, add the additional information to the communication information and output the resulting information. In this case, the reception-side image forming apparatuses Gk1 to Gkn determine addition designation information on the basis of addition designation information designating additional information permitting the addition to the communication information acquired by an operation display unit 27 and addition designation information received from the transmission-side image forming apparatuses Gk1 to Gkn, and acquire additional information from the advertisement server SV; however, if any one of the pieces of addition designation information designates disaster-related information, preferentially acquire the disaster-related information as the additional information. |
