[SIPForum-discussion] Record-Route and Route headers

baslingappa bhujang basling99 at gmail.com
Fri Jan 8 06:20:27 UTC 2010


Hi Sreekanth.
It is Valid to have  both a Route and Record-Route headers in the P1->P2
leg.


Thanks,
Basling.


On Fri, Jan 8, 2010 at 3:44 AM, sreekant nair <sreekant_nair at yahoo.com>wrote:

>  Hello,
>
> I have a question with respect to Record-Route and Route headers.
>
> Is it possible for SIP messages to have both a Record-Route Header AND a
> Route header in the same message?
> This is my scenario
>
> U1  -> P1  -> P2  -> U2
>
> Where
> U1 : User Agent 1
> U2 : User Agent 2
> P1 : Proxy 1
> P2 : Proxy 2
>
> Is it valid to construct the messages in the following format( Note: I use
> symbolic representations)
>
> U1 -> P1
> INVITE: U2 at domain.com
> VIA : U1.X.Y.Z
> Route: P1.A1.B1.C1;lr
> Route: P2.A2.B2.C2;lr
>
> P1 -> P2
> INVITE: U2 at domain.com
> VIA : P1.A1.B1.C1
> VIA : U1.X.Y.Z
> Record-Route: P1.A1.B1.C1;
> Route: P2.A2.B2.C2;lr
>
> P2 -> U2
> INVITE: U2 at domain.com
> VIA : P2.A2.B2.C2
> VIA : P1.A1.B1.C1
> VIA : U1.X.Y.Z
> Record-Route: P2.A2.B2.C2
> Record-Route: P1.A1.B1.C1
>
> Is it valid to have both a Route and Record-Route headers in the P1->P2 leg
> of the
>
> Thanks in advance to all in response.
>
> Regards
> Sreekant Nair
>
>
>
>
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-- 
Thanks and Regards,
-------------------------------------------
Baslingappa.B
Software Engineer
Bangalore-India
+91-9972832539
-------------------------------------------
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