| 摘要 |
PROBLEM TO BE SOLVED: To improve user friendliness. SOLUTION: Improvement of the user friendliness comprises: determining an notification pattern for determining the notification pattern in accordance with a communication status; and performing control in a state where notification means provided in a communication subject and a communication partner are synchronized, in order to notify the communication status according to the determined notification pattern, wherein, to users of the communication subject and the communication partner, a relation between the communication subject and the communication partner can be obtained just like a wired communication path, and the communication status can be easily obtained. COPYRIGHT: (C)2009,JPO&INPIT
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