Image data stored in a memory of a portable communication apparatus is read by an adapter device in response to that the portable communication apparatus is connected to a connector of the adapter device. Subsequently, the portable communication apparatus starts communicating with a charging server and, simultaneously, a print image selection screen is displayed on a LCD. A user selects images and the number of prints of each image in the print image selection screen. Printing is executed when a print button is operated after the user finished selecting the images and the number of prints of each image. After printing is completed, the communication from the portable communication apparatus to the charging server is cut off. The charging server charges telecommunication charge to the portable communication apparatus based on the duration of communication with the charging server.