On 2/27/13 12:38 AM, Ramesh Babu Kuppili wrote:
> Hello,
>
> I am having a problem with the To tag in the incoming "603 Declined" from UAS.
>
> 1. Outgoing INVITE
> - no tag in the To header.
> 2. Incoming "183 Session Progress"
> - To tag - tag=h7g4Esbg_p65547t1361882364m374065c90075s1_4069438959-13.
> Incoming "603 Declined"
> - To tag -
> tag=h7g4Esbg_p65547t1361882364m374065c90075s1_4069388685-1940037509
> Can the To tag change from "183 Session Progress" to "603 Declined". How do
> the UAS handle this?
Yes.
This is consistent with the request having been forked by a proxy.
The 183 came from one fork. Then the 603 came from a different fork.
Once this has happened, you generally will get no further response from
the first fork.
Good Luck,
Paul
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