| 摘要 |
<p>In response to an input unit (110) inputting a request for communication, a room ID generation unit (1083) generates a room ID in accordance with presence information detected of a mobile phone (100), and transmits to a server device a request including the generated room ID for establishing a room. When a presence monitoring unit (1069) detects that the status of the mobile phone (100) has changed from that obtained when the input unit (110) input the request for communication, a room deletion request unit (1070) transmits to the server device a request including the generated room ID for deleting a room.</p> |
