Re: Contact header in 200 OK

Hi Satya,

Thanks for the reply..didn't locate that table at first :)

Regards,

Sandip

On Fri, Aug 7, 2009 at 7:17 PM, T Satyanarayana-A12694 <
[email protected]> wrote:

>  The RFC does mention this. In table 2, on page 162.
>
>       Header field          where   proxy ACK BYE CAN INV OPT REG
>       ___________________________________________________________
>       Contact                2xx           -   -   -   m   o   o
> regards
> Satya T
>
>
>  ------------------------------
> *From:* [email protected] [mailto:[email protected]] *On Behalf Of *sandip
> gangakhedkar
> *Sent:* Thursday, August 06, 2009 8:16 PM
> *To:* [email protected]
> *Subject:* [Sip] Contact header in 200 OK
>
> Hi all,
>
> I'd like to know if the Contact header is mandatory for a 200 OK response
> to an INVITE request.
>
> The RFC doesnt explicitly mention anything in this regard although a 200 OK
> is mandatory for a REGISTER request.
>
> If the originating endpoint receives the Contact header in the 180 Ringing
> response (which I assume is mandatory), then it knows the location of the
> remote endpoint, in which case the Contact header would be redundant in the
> 200 OK response.
>
> Waiting for some expert intervention.. :)
>
> Regards,
> --
> Sandip Gangakhedkar
> Mobile:+91-97396-99916
> Office: +91-80-4363-3899
> Profile: http://www.linkedin.com/in/sandipg
>

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