[SIPForum-discussion] A question about INVITE fork
Sunny
guangu.he at gmail.com
Wed May 6 14:49:34 UTC 2009
Hi allI have a question about INVITE fork. see follow picture.
UAC Proxy UAS1 UAS2
|---------INVITE----->| | |
| |-------INVITE--->| |
| |----------------------|-------INVITE-->|
| |<-------200--------| |
|<--------200---------- | | |
|----------ACK------->| | |
| |---------ACK----->| |
| | | |
| |<-------------180---|--------------------|
|<------180-------------|
when UAC received UAS2 180, the UAC have not corresponding transaction,the
UAC will discard 180 or other?
--
Thanks
Sunny
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