| Event | Successor state | Rate |
| A new call enters first stage of phase i of Xr (i = 1, 2, ..., m(n)) | | |
| A new call leaves stage j of phase i and enters stage j + 1 of phase i of Xr (i = 1, 2,..,m(n)), () | | |
| A new call leaves last stage of phase i of Xr (i = 1, 2, ..., m(n)) | | |
| A new call leaves stage of phase i of Xr (i = 1, 2, ..., m(n)) | | |
| A handed off call enters first stage of phase i of Xd (i = 1, 2, ..., m(h)) | | |
| A handed off call leaves stage j of phase i and enters stage j + 1 of phase i of Xd (i = 1, 2, ..., m(h)) () | | |
| A handed off call leaves last stage of phase i of Xd (i = 1, 2, ..., m(h)) | | |
| A handed off call leaves stage of phase i of Xd (i = 1, 2, ..., m(n)) | | |
|
|