| 摘要 |
<p>The present invention comprises a communication terminal (5) having a terminal position information acquisition unit (51) for acquiring position information, an emergency information transmission unit (2) for transmitting emergency information for each region, and an information selection processor (1) for determining, on the basis of the emergency information for each region and the position information of the communication terminal (5), whether or not the communication terminal (5) is in an emergency region, and reducing redundant information regarding the emergency in the data communicated to the communication terminal (5) in a case where the communication terminal is determined to be in an emergency region.</p> |
