Hi All,
I have noticed that in figure 1 of RFC 3261 , the labeling and sequence of
message is NOT correct and not matching with the description given in
Section 24.2
Attached with this mail is the corrected figure.
Regards
Monica Ingudam
Huawei Technologies
Bangalore, India
atlanta.com . . . biloxi.com
. proxy proxy .
. .
Alice's . . . . . . . . . . . . . . . . . . . . Bob's
softphone SIP Phone
| | | |
| INVITE F1 | | |
|--------------->| | |
| 100 Trying F2 | | |
|<---------------| INVITE F3 | |
| |--------------->| |
| | 100 Trying F4 | |
| |<-------------- | |
| | | INVITE F5 |
| | |--------------->|
| | | |
| | | 180 Ringing F6 |
| | 180 Ringing F7 |<---------------|
| 180 Ringing F8 |<---------------| 200 OK F9 |
|<---------------| 200 OK F10 |<---------------|
| 200 OK F11 |<---------------| |
|<---------------| | |
| ACK F12 |
|------------------------------------------------->|
| Media Session |
|<================================================>|
| BYE F13 |
|<-------------------------------------------------|
| 200 OK F14 |
|------------------------------------------------->|
| |
Figure 1: SIP session setup example with SIP trapezoid
