A data delivery server (18) includes a download server (24), and a mobile telephone (12) is connected to the download server (24) via an Internet (20), a mobile telephone network (16), and a radio base station (14). The mobile telephone (12) is capable of downloading desired music data from the data delivery server (18). More specifically, a menu server (22) determines one access point where traffic is not congested based on a connection situation to the access point of the download server (24), and transmits to the mobile telephone (12) download information including a content ID which recognizes a determined access point and the desired music data. Therefore, the mobile telephone (12) is capable of downloading the music data by connecting it to the download server (24) from the access point where traffic is not congested based on the download information. Thus, a required time for downloading cannot be longer than necessary.

 
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