[SIPForum-discussion] response of a invite depends on which header

[SIP SIP]

Its always Via( which is meant for responses).
Contact is for future requests.
Record-route doesnt come to picture always and isnt mandatory also.





On Wed, Oct 21, 2009 at 6:02 PM, VG <vikasraigupta at gmail.com> wrote:

> Hi,
>
> I like to know on which parameter response of INVITE as well as other
> request is dependent.
> Like there are 3 things comes into the picture:
> 1) via
> 2) contact
> 3) record-route.
> What is the priory of these header.
> Which one is given first preference if present all.
>
> Thanks in advanced.
>
> Regards,
> VG.
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