Re: [reSIProcate-users] Fw: RSeq header in PRACK message
DUM currently only has UAC PRACK support. UAS PRACK is not implemented.
On 7/9/08, Javier García Ocón <jgo@xxxxxxxxxxxx> wrote:
> Sorry, i forget include alittle picture in my post...
>
> I'm testing a case of use with a PRACK message and reliable responses
> (100rel). This is the dialog:
>
> UA1 ------( INVITE )-------> b2bUA ------( INVITE )------> UA2
> UA1 <-------( 180 )----------- b2bUA <-------( 180 ) ---------- UA2
> UA1 ------( PRACK )-------> b2bUA ------( PRACK )------> UA2
>
> The PRACK request must include the Rack header. It contains two numbers and
> a method tag. The first number is the value from the RSeq header in the
> provisional response (18x) that is being acknowledged.
>
> B2BUA (acting as UAC) receives the provisional response with the RSeq
> header. When the b2bUA (acting as UAS) creates the provisional response to
> send it to UA1 doesn't include a Rseq header.
>
> Could you tell me if this functionality is enabled?
>
> Thanks in advanced,
>
> Javier
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