[SIPForum-discussion] Prack

[Vijay Tiwari]

Yes, PRACK will be a new transaction and it will be identity by Vai branch
parameter. please find the below logs for the same


 SIP/2.0 183 Session Progress
Via: SIP/2.0/UDP 8.19.19.06:5060;branch=z9hG4bK4545
From: <sip:filo.farnsworth at television.tv<sip%3Afilo.farnsworth at television.tv>
>;tag=12
To: <+12025551313 at gw.carrier.com;user=phone>;tag=37
Call-ID: 49235243082018498 at television.tv
CSeq: 1 INVITE
RSeq: 08071
Contact: <sip:50.60.70.80>
Content-Type: application/sdp
Content-Length: 139

v=0
o=Port1723 2890844535 2890844535 IN IP4 50.60.70.80
s=-
t=0 0
c=IN IP4 50.60.70.80
m=audio 62002 RTP/AVP 0
a=rtpmap:0 PCMU/8000




 PRACK sip:50.60.70.80 SIP/2.0
Via: SIP/2.0/UDP 8.19.19.06:5060;branch=z9hG4bK454
Max-Forwards: 70
From: <sip:filo.farnsworth at television.tv<sip%3Afilo.farnsworth at television.tv>
>;tag=37
To: <sip:+12025551313 at gw.carrier.com <sip%3A%2B12025551313 at gw.carrier.com>
;user=phone>;tag=12
Call-ID: 49235243082018498 at television.tv
CSeq: 2 PRACK
Contact: sip:filo.farnsworth at studio.television.tv<sip%3Afilo.farnsworth at studio.television.tv>
RAck: 08071 1 INVITE
Content-Length: 0
both Branch id are different


thanks
vijay
On Fri, May 14, 2010 at 10:27 AM, Dileep Ravindran <
dileepravindran at tataelxsi.co.in> wrote:

>  Hi All,
>
>    Can anyone please tell whether  PRACK  a new transaction?? and if yes
> which  parameter that tells that its a new transaction??
> \Thanks
> Dileep
>
>
>
> _______________________________________________
> This is the SIP Forum discussion mailing list
> TO UNSUBSCRIBE, or edit your delivery options, please visit
> http://sipforum.org/mailman/listinfo/discussion
> Post to the list at discussion at sipforum.org
>
>


-- 
They can because they think they can.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://sipforum.org/pipermail/discussion/attachments/20100518/971df219/attachment.html