Communication terminal allowing placing restrictions on disclosure of information, method implemented by communication terminal of placing restrictions on disclosure of information, and program therefor

摘要

There is provided a communication terminal for preventing an owner of a destination communication terminal from divulging personal information to a third party. When an owner of a communication terminal (11) passes to a destination communication terminal (12) his or her personal information on which he or she desires to place disclosure restrictions, a presentation attribute which is set to “not permitting presentation” is transmitted together with the personal information. When the destination communication terminal (12) passes the personal information of the communication terminal (11) to another communication terminal, the presentation attribute of the personal information of the communication terminal (11) is checked in the destination communication terminal (12). If the presentation attribute is set to “not permitting presentation”, the destination communication terminal (12) prevents itself from transmitting the personal information to the other communication terminal.