Re: [Sip-implementors] Record-Route

[sunayak]

Hi,
     I can't imagine why Record-Route was mandated in
401/484 at that point in time. Even if it was, ACK to
such responses must not contain Route headers since
the ACK to any non-2xx should follow the same path as
the original INVITE. Including Route headers in the ACK
would violate this basic requirement.

     Just checked : Sec 5.1.1 of bis-03 clearly
states the above.

Hope that helps,
Subhash Nayak





"Annamalai Meenatchy" <[EMAIL PROTECTED]> on 12/23/2002 02:16:56
PM

To:   Subhash Ullal Nayak/HSSBLR
cc:   [EMAIL PROTECTED]

Subject:  Re: [Sip-implementors] Record-Route




Thanks for reply..

I am referring to the draft draft-ietf-sip-rfc2543bis-03, as  I need to
communicate with SIP proxy which follows this draft version. In this Table
5 says 2xx,401 & 484 can include Record-Route.
In such case, does ACK need to contain Route header?

Thanks,
Meena
  ----- Original Message -----
  From: [EMAIL PROTECTED]
  To: Annamalai Meenatchy
  Cc: [EMAIL PROTECTED]
  Sent: Monday, December 23, 2002 12:29 PM
  Subject: Re: [Sip-implementors] Record-Route




  Hi,
       Record-Route's make sense only in 1xx/2xx responses.
  It doesn't make sense in non-2xx responses since you're
  not establishing a dialog anyway. ACK's for 2xx responses
  only need to contain the Route headers.

  Ref: Table 2-3 in RFC 3261.

  Regards,
  Subhash Nayak
  http://www.hssworld.com





  "Annamalai Meenatchy" <[EMAIL PROTECTED]> on 12/20/2002 11:51:55
  AM

  To:   [EMAIL PROTECTED]
  cc:    (bcc: Subhash Ullal Nayak/HSSBLR)

  Subject:  [Sip-implementors] Record-Route




  Hi,

   I have a question about Record-Route. As for as I understood only 401 &
   484 among non-200 response includes Record-Route. All other non-200
   response doesn't include them. Does the ACK for 401, 484 and 2xx
   responses need to  include the route headers?

   Can someone clarify this for me?

  Thanks,
  Meena

Thanks for reply..   I am referring to the draft draft-ietf-sip-rfc2543bis-03, as  I need to communicate with SIP proxy which follows this draft version. In this Table 5 says 2xx,401 & 484 can include Record-Route. In such case, does ACK need to contain Route header?   Thanks, Meena ----- Original Message ----- From: [EMAIL PROTECTED] To: Annamalai Meenatchy Cc: [EMAIL PROTECTED] Sent: Monday, December 23, 2002 12:29 PM Subject: Re: [Sip-implementors] Record-Route Hi,      Record-Route's make sense only in 1xx/2xx responses. It doesn't make sense in non-2xx responses since you're not establishing a dialog anyway. ACK's for 2xx responses only need to contain the Route headers. Ref: Table 2-3 in RFC 3261. Regards, Subhash Nayak http://www.hssworld.com "Annamalai Meenatchy" <[EMAIL PROTECTED]> on 12/20/2002 11:51:55 AM To:   [EMAIL PROTECTED] cc:    (bcc: Subhash Ullal Nayak/HSSBLR) Subject:  [Sip-implementors] Record-Route Hi,  I have a question about Record-Route. As for as I understood only 401 &  484 among non-200 response includes Record-Route. All other non-200  response doesn't include them. Does the ACK for 401, 484 and 2xx  responses need to  include the route headers?  Can someone clarify this for me? Thanks, Meena