| 摘要 |
A communication application control technology in which the location and status (context) of a user from a sensor net, and the communication application is controlled based on the context information. A sensor net server (or a presence server) manages the location and status of a user as well as group information detected by a sensor, and an application server obtains the user information included in the group from the sensor net server (or a presence server), and establishes a session with that user. This invention is applicable to various applications including the PTT (Push-to-Talk) and 3PCC.
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