comments inline...
On Wed, Apr 4, 2012 at 12:55 AM, M. Ranganathan <mra...@gmail.com> wrote:
> Consider the following scenario:
>
> UA sends peer UA BYE
> Recipient of BYE sends OK and tears down the dialog.
> OK gets lost so sender of UA re-sends BYE.
> Now there's a dialog in Terminated State but no server transaction (it
> has already been removed).
>
> What is the most appropriate way for the receiver of the retransmitted
> BYE to respond?
>
> Should it respond with OK, CALL_OR_DIALOG_NOT_FOUND or SERVER_FAILURE
> ( due to the fact that the in-dialog BYE has been sent with a
> previously seen cseq number) ?
>
[ABN] UA receiving BYE must reply with 481 (Transaction does not exist),
Hence no issue for UAC / UAS. UAS already terminated, UAC terminates
the dialog after 481.
Both are happy in the end...
>
>
> --
> M. Ranganathan
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>
--
Thanks,
Nataraju A.B.
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