[SIPForum-discussion] according tag

hemanth kumar cyhk007 at yahoo.com
Wed Feb 14 07:03:11 UTC 2007


Hi,
   
  You are correct. There is an example in RFC 3261
   
  SIP/2.0 200 OK
  Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8
  ;received=192.0.2.1
  To: Bob <sip:bob at biloxi.com>;tag=a6c85cf
  From: Alice <sip:alice at atlanta.com>;tag=1928301774
  Call-ID: a84b4c76e66710
  CSeq: 314159 INVITE
  Contact: <sip:bob at 192.0.2.4>
  Content-Type: application/sdp
  Content-Length: 131
   
  BYE sip:alice at pc33.atlanta.com SIP/2.0
  Via: SIP/2.0/UDP 192.0.2.4;branch=z9hG4bKnashds10
  Max-Forwards: 70
  From: Bob <sip:bob at biloxi.com>;tag=a6c85cf
  To: Alice <sip:alice at atlanta.com>;tag=1928301774
  Call-ID: a84b4c76e66710
  CSeq: 231 BYE
  Content-Length: 0
   
  Regards
  Hemanth

Young-Geun Park <zeroroot at tmax.co.kr> wrote:
                Hi, all
   
  UAC         UAS
       (INVITE)
       ------à
        (200)
       ß------(1)
        (ACK)
       ------à
       




        (BYE)
       ß-------(2)
        (200)
       -------à
   
  in the above flow, 
  is (1)’s >From tag identical to (2)’s To tag? 
  And (1)’s To tag identical to (2)’s >From tag? 
   
  Regards, 
  Park

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Chenji Hemanth Kumar 
Wipro Technologies
Ph: 23404007 
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