| 摘要 |
PROBLEM TO BE SOLVED: To display information, by which a communication opposite terminal is not identified, concerning the communication opposite terminal without having information to identify the communication opposite terminal among the communication opposite terminals participating in a session. SOLUTION: The communication terminal includes: a terminal identification information storage part; a communication part; an identification information receiving part for receiving the terminal identification information; an identification information existence determining part for determining whether or not the terminal identification information is stored in the terminal identification information storage part; and an output part for recognizably outputting communication opposite party information, indicating who the communication opposite terminal is, to a user when the terminal identification information is stored in the terminal identification information storage part, and recognizably outputting presence information, indicating that communication data can be exchanged with the communication opposite terminal, to the user when the terminal identification information is not stored in the terminal identification information storage part. COPYRIGHT: (C)2008,JPO&INPIT
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