| 摘要 |
<p>The invention relates to a method for providing a link between a communication control centre (1) and a number of communication units (2), wherein the communication control centre (1) has a display unit (11) and also a selection unit (12), for selecting a region (16) shown by the display unit (11), and a communication controller (13), wherein a) the geographical position of the communication units (2) is ascertained at successive times, b) the display unit (11) shows a map and, for each communication unit (2), shows a symbol (Y) at the respective ascertained geographical position of said communication unit on the map, c) selection of a region (16) of the map on the display unit (11) using the selection unit (12) is followed by ascertainment of those communication units (2) for which the respective associated symbols (Y) are situated within the selected region (16) or overlap it, and d) a user data link (N) is set up between the communication controller (13) and the selected communication units (2)</p> |
