How come SER sends an 183? that's early media response and SER has nothing to do with it.
----- Original Message ----- From: "Hye-Jeong Mok" hyejeongmok@hotmail.com To: serusers@lists.iptel.org Sent: Tuesday, October 10, 2006 12:35 AM Subject: [Serusers] cancel message and to tag
Hi,
Have a question about the CANCEL message and the to tag. Let say I have a UAC sending INVITE to SER. SER responds with 183 message with a to tag = 111. Then the UAC sends CANCEL with no tag, and SER responds with 200 message with the new to tag = 222, followed by 487 message with to tag 222. SER 0.9.0 that I'm using behaves this way.
I believe in 3261, the to tag of the 200 message in response to the CANCEL that has no tag, it has to be the same as the to tag that is in the previous 1xx message. So in this case, SER that I'm using is doing something wrong? Any idea how to fix this?
Thanks, HJ
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