| 摘要 |
The procedure allows an encoded communication to be established directly in a single jump (L3) between two terminals of a radiotelephone network which normally communicate via a fixed satellite (2). After a first coding phase, carried out in the normal way, a coding key is simultaneously generated by the identification card associated with the calling station (1), and by the control structure of the network for encoding and decoding data transmitted between the calling station (1) and the network station (2). This coding key is stored in a memory of the network station, and is then transmitted to the called station (3). This then allows establishment of a direct link between the calling station (1) and the called station (3), using this coding key to facility exchange of information. |
