A data delivery terminal (12) is connected to a delivery server (18) via a radio base station (14) and a cellular phone network (16). A user can input reservation information of content data (music data) by operating an operation panel on the data delivery terminal (12). For example, the reservation information includes a date and time of download and a title name of music data, connection information (DAP-TEL) to an access point (DAP) for a download server (20) and etc. When such the reservation information is input, the data delivery terminal (12) dials the access point in accordance with the date and time included in the reservation information. When a connection state is established, desired music data is transmitted from the download server (20) such that the music data is downloaded to a memory card attached to the data delivery terminal (12).