[OpenSER-Users] Re: [Users] statefull handling of 6xx responses

[Bogdan-Andrei Iancu]

Hi Christian,

thanks for report - I will take care of it for the next release.

regards,
bogdan

PS : could you open a bug report on the tracker?

Christian Schlatter wrote:
> RFC 3261 defines that upon reception of a 6xx response, a proxy SHOULD 
> cancel all forked dialogs and send back the 6xx as the final response 
> to the upstream UA.
>
> --- rfc 3261, section 16.7 -------
> Under the new rules, upon receiving a 6xx, a proxy will issue a CANCEL 
> request, which will generally result in 487 responses from all 
> outstanding client transactions, and then at that point the 6xx is 
> forwarded upstream.
> ----------------------------------
>
> Some call forking experiments have shown that openser 1.2 does not 
> follow these rules, instead it seems to disregard any 6xx response and 
> continue with normal processing of existing forked dialogs.
>
> E.g. if a call forks to five phones and one of them sends back a 603 
> Declined response, the other four phones continue to ring until 
> fr_inv_timer fires and failure_route is called with a status of 408 
> Timeout.
>
> Is it possible to make openser more SIP RFC compliant through 
> configuration or does this need a code change?
>
>
> thanks,
> Christian
>
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