To simplify the processing when transmitting/receiving information between a plurality of image input output apparatuses via a network.
Service users A and C are registered in advance and the identification information is given to each of the users. When the service user A uploads the information addressed to the service user C into a server 101 by using a transmission service apparatus 102, the identification information of the transmission service apparatus 102 and information of the service users A and C are stored as the service information about the transmission of the information, and the service user C is notified that the information is transmitted. When the service user C requests the output of information by using a reception service apparatus 104, the information is transferred to the reception service apparatus 104, the charge of the transfer of information is calculated, and the identification of the reception service apparatus 104 as the output destination of the information and the information of the calculated charges are added as the service information.
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura