CCM                                  NCM
 |                                    |
 |---- MX Session Termination REQ --->|
 |                                    |
 |                                    |
 |<--- MX Session Termination RSP ----|
 |                                    |
 |                           +------------------+
 |                           | Remove Resources |
 |                           +------------------+
 |                                    |