| 摘要 |
<p>The present invention relates to a method for sending an alarm. The method comprises sending an alarm comprising alarm code from a first terminal unit to a second terminal unit, and further providing the alarm to a third terminal unit if the third terminal unit is located within a predetermined distance from the first terminal unit, wherein the second and third terminal units are determined by a first and second contact register associated with the first and second terminal units, respectively. Furthermore, the present invention further relates to a corresponding server, computer program product and system adapted for generating and sending an alarm to terminal units.</p> |
