[SIPForum-discussion] Reliable provisional response

[tester voip]

All,

The proxy cant generate the provisional responses of its own except for
100,181 and 182.
The 180 and 183 has to be sent from the UAS which the proxy only can
forward.
And reliablity is usualy (and always) done with 180 and 183.
So if you want to say that when proxy can send relaible provisional
responses, then the answer is as soon as it gets them from the UAS.
But certainly it cant generate them on its own.
Hope this clarifies your doubt.

Thanks



On Wed, Jul 6, 2011 at 9:02 PM, Rohan Almeida <almeida.rohan at gmail.com>wrote:

> Hi Satyadarshi,
>
> The proxy can send reliable  provisional responses  is the INVITE
> contains a 'supported' header field with option tag 100rel .
>
> This is as per RFC 3262.
> The RFC 3261 most commonly refered for SIP does not talk about
> reliability of  provisional responses .
>
> regards,
> Rohan Almeida
>
> On 7/4/11, K Satyadarshi <satyadarshi28 at gmail.com> wrote:
> > Hi Forum,
> >
> > Can someone pls tell about scenarios where a proxy can send reliable
> > provisional responses ?
> >
> > --
> > K Satyadarshi
> >  <satyadarshi28 at gmail.com>
> >
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