| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone set for displaying an advertisement according to user's attention without receiving a search keyword. SOLUTION: The telephone set connected to a first computer converts audio information of a call into character information, specifies a keyword expressing the user's attention from the converted character information, acquires the advertisement related to the specified keyword from the first computer, and displays the acquired advertisement. COPYRIGHT: (C)2011,JPO&INPIT
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