Cisco Systems 1.3.0 Manual De Usuario
C-
3
3
7
SI
P
P
I
P
Phone to SIP IP Phone:
For
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ll
Cal
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Figure C-15. Call Flow Diagram: SIP IP Phone to SIP IP Phone: Forward All Calls — Diagram 2
SIP Phone
UA Marshal
Redirect Server
Feature Server: FAC
SIP Phone
16. ACK
17. INVITE
18. 100
19. 180
20. 180
21. 200
22. 200
23. ACK
24. ACK
25. BYE
26. BYE
27. 200
28. 200