Ntt Docomo, Inc.

Yuichiro Kohashi

Makoto Hasegawa

Issei Nishimura

Takanobu Nakamura

A relay apparatusissues a new sub-address at a timing when mobile phones () requested content from a CP server apparatuses (), that is, at a timing when a sub-address is required. The content specified by this sub-address is distributed from the CP server apparatuses via the relay apparatus () to the mobile phones. In system of the present invention it is possible to utilize the same sub-address many times for different content items. It is therefore possible to avoid increasing the number of digits of the sub-address as well as the complexity of the sub-address structure, in a case where the types of content or the number of content items increases.

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Tokyo, Japan

Yuichiro Kohashi