| 摘要 |
A content server 10 , in transmitting content appended with redistribution restriction information to a communication terminal 50 , determines whether communication terminal 50 has a redistribution restriction function on the basis of identification data contained in a user agent header contained in a HTTP message transmitted from communication terminal 50 . When the determination is affirmative, content server 10 transmits to communication terminal 50 the content via the Internet 20 , gateway server 30 , and mobile packet communication network 40. |
