Re: Re: PRACK over PROXY dropped -- ReliableResponse not found

"M. Ranganathan" <[email protected]> Sun, 28 Jan 2007 07:45:30 -0500
Newsgroups gmane.comp.voip.nist-sip
Message-ID <[email protected]>
Yes that is correct. There is a method to create  reliable provisional 
response. That method should be used. It would be a good idea not to 
craft all the fields manually. There is an example for this provided in 
the source code. Please take a look.

Ranga

niepin wrote:

>Hi,
>It seems the Cseq in PRACK should be 1 according to the matching in RFC3262:
>"  Once a reliable provisional response is received, retransmissions of
>   that response MUST be discarded.  A response is a retransmission when
>   its dialog ID, CSeq, and RSeq match the original response.  The UAC
>   MUST maintain a sequence number that indicates the most recently
>   received in-order reliable provisional response for the initial
>   request.  This sequence number MUST be maintained until a final
>   response is received for the initial request.  Its value MUST be
>   initialized to the RSeq header field in the first reliable
>   provisional response received for the initial request.
>"
>
>For all provisional requests (e.g. PRACK) and responses, they should use 
>the same Cseq until the final response is received.
>
>Plz try 1 for the cseq to see the result.
>
>BR
>
>niepin
>
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-- 
M. Ranganathan 

Advanced Networking Technologies Division,
National Institute of Standards and Technology (NIST),
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