
VOCAL User Agent | UA Marshal | VOCAL User Agent | VOCAL User Agent | User | |||
Agent to | |||||||
|
| 16. | ACK |
|
| ||
17. | INVITE |
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|
|
| ||
18. | 100 |
|
|
|
| User | |
|
|
|
|
|
| ||
|
| 19. | INVITE |
|
| Agent: | |
|
| 20. | 180 |
|
| ||
|
|
|
| Blind | |||
21. | 180 |
|
|
|
| ||
|
|
|
| Transfer | |||
22. | INVITE |
|
|
|
| ||
23. | 100 |
|
|
|
| ||
|
|
|
|
| |||
|
| 24. | INVITE |
|
|
| |
|
| 25. | 180 |
|
|
| |
26. | 180 |
|
|
|
|
| |
27. | TRANSFER |
|
|
|
|
| |
28. | 100 |
|
|
|
|
| |
|
| 29. | TRANSFER |
|
|
| |
|
| 30. | 100 |
|
|
| |
|
| 31. | INVITE |
|
|
|