                                +-----------------------------------------------------------display----------------------------------------------------------+                                         
                                |                                                                                                                            |                                         
                                |    +----------------------------------------------------------------------------------------------------------+            |                                         
                                |    |                                                 network                                                  |            |                                         
                                |    |                                                                                                          |            |                                         
                                |    |     +----------------+                                                                                   |            |                                         
                                |    |     | online portal  |                                                                                   |            |                                         
                                |    |     |                |                                                                                   |            |                                         
                                +--------------->+-----+    |                                                                                   |            +---+-----------+                  +-----+
                                     |     |     | ui  |    |                                                                                   |                |api server |------persist---->|logs |
                  +-----------access------------>|     |    |                                                                                   |            +-->|           |                  |     |
                  |                  |     |     +-----+    |                                                                                   |            |   +-----------+                  +-----+
+-------------+   |                  |     |                |                                                                                   |            |                                         
|    user     |---+                  |     |                |                                                                                   |            |                                         
|             |---+                  |     +----------------+                                                                                   |            |                                         
+-------------+   |                  |                                                                                                          |            |                                         
                  |                  |    +-----------------------------------------------------+                       +-------------------+   |            |                                         
                  +-------make call------>|                     cell tower                      |                       |  data processor   |   |            |                                         
                                     |    |    +-----------+                  +------------+    |                       |                   |   |            |                                         
                                     |    |    |           |-------send------>|            |    |                       |                   |----------------+                                         
                                     |    |    |           |                  |            |    |                       |    +--------+     |   |                                                      
                                     |    |    |satellites |-------send------>|transmitter |-----------phone logs----------->|storage |     |   |                                                      
                                     |    |    |           |                  |            |    |                       |    |        |     |   |                                                      
                                     |    |    |           |-------send------>|            |    |                       |    +--------+     |   |                                                      
                                     |    |    |           |                  |            |    |                       |                   |   |                                                      
                                     |    |    +-----------+                  +------------+    |                       +-------------------+   |                                                      
                                     |    |                                                     |                                               |                                                      
                                     |    +-----------------------------------------------------+                                               |                                                      
                                     |                                                                                                          |                                                      
                                     +----------------------------------------------------------------------------------------------------------+                                                      
