I guess Sip Stack should also have a check of lr parameter.

On 4/3/08, Robert Sparks <[EMAIL PROTECTED]> wrote:
>
> The section in RFC3261 on strict routing fixup explains this situation.
> The disconnect you have is that you're doing the fixup and _then_
> trying to figure out where to send the message.
> RFC3261 says figure out where to send the message and _then_ to do the
> fixup if the next hop is a strict router.
>
> RjS
>
> On Apr 2, 2008, at 1:33 PM, Mohammad Farooq wrote:
>
> > Hi Bharat,
> >
> > Thanks for the reply. I understand somewhat strict routing rule but
> > what
> > is confusing me is:
> >
> > ua1 - proxy1 proxy2 proxy3 proxy4 - ua2
> >
> > At ua1 the route set is
> > <sip:proxy1>,<sip:proxy2>,<sip:proxy3;lr>,<sip:proxy4;lr>
> >
> > When ua1 want to send request, for example BYE, it will check the
> > first
> > URI in the route set. Since it is a strict route, ua1 will pop the URI
> > from the route set and use it as a requestURI. Now the request at ua1
> > will look like this:
> >
> > BYE sip:proxy1
> > Route:<sip:proxy2>,
> > <sip:proxy3;lr>,<sip:proxy4;lr>,<sip:[EMAIL PROTECTED]>
> >
> > Here is my confusion, since route header has presidence over
> > requestURI
> > when ua1 send this request to SIP stack, this request will go proxy2
> > not
> > proxy1? Isn't that true? When stack parse the route header the first
> > address it is going to see is proxy2. This mean request never go to
> > proxy1. I know, I am missing something very stupid detail. Thanks.
> >
> > Mohammad
> >
> >
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>
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