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