An address book data download request issued from a data communication apparatus is received. On the basis of authority of a user of the data communication apparatus which has issued the download request and a security level set for each address information in address book data stored in a storage medium,...http://www.google.com.tw/patents/US7966326?utm_source=gb-gplus-share專利 US7966326 - Information processing apparatus, data communication apparatus, control methods therefor, address management system, and program
