Hi Darilion
Please check the following snippet from rfc-3262
"An element that can act as a proxy can also send reliable provisional
responses. In this case, it acts as a UAS for purposes of that
transaction. However, it MUST NOT attempt to do so for any request that
contains a tag in the To field. That is, a proxy cannot generate
reliable provisional responses to requests sent within the context of a
dialog. Of course, unlike a UAS, when the proxy element receives a
PRACK that does not match any outstanding reliable provisional response,
the PRACK MUST be proxied."
Regards
Kamal Mann
-----Original Message-----
From: Klaus Darilion [mailto:klaus.mailinglists@pernau.at]
Sent: Thursday, October 19, 2006 3:03 PM
To: Greger V. Teigre
Cc: Mann, Kamal; serusers(a)lists.iptel.org
Subject: Re: [Serusers] rfc 3262 support
AFAIK PRACK is a client feature and is end to end. Thus, ser supports
PRACK as any other generic SIP request.
Maybe you could fake PRACK requests or responses between a PRACK capable
client and the proxy, but this will cause end-to-end CSeq mismatch and
would require a dialog stateful proxy to adapt the CSeqs.
regards
klaus
Greger V. Teigre wrote:
AFAIK, this RFC is not implemented yet. As for a list,
there is none
right now, but it's on the to-do list :-)
g-)
Kamal.Mann(a)t-systems.com wrote:
>
> Hi All
>
> Do SER supports 'rfc 3262 Reliability of Provisional Responses in
> SIP'? Is there any list of standards supported by SER available??
>
>
>
> Regards
>
> Kamal Mann
>
>
>
>
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