A user agent (UA).1 presents a selection screen for selecting function information for calling a function provided by a service in a network with use of the UA.1. Upon detecting that an import button is pressed on the selection screen, the UA.1 acquires a UA list with use of an Intent technique to display the UA list. Upon a selection of a UA.2 from this list, the UA.1 requests the function information to the UA.2, and presents the selection screen in such a manner that the function information acquired based on the request is further included in the selection screen.