Hi Nisha,

Thanks for the response.

What you said is true.
But does the Proxy first tries to forward the message to the called domain
or does it forwards the message to Location/Redirect server(i.e Query them)?
Or is it that it simply finds out whether the called domain is present in
the look up table (if implemented in the Proxy) and then respond
accordingly......
Can you tell me the precise procedure?

Regards,
Atul
  -----Original Message-----
  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
  Sent: Tuesday, August 24, 2004 2:55 PM
  To: Atul Khandelwal
  Cc: Sip-Implementors; [EMAIL PROTECTED]
  Subject: Re: [Sip-implementors] (no subject)



  Hi,

          The generation of 502 response is  implementation dependent. 502
is a special case wherein the proxy should know that the next hop that it is
trying to reach is another domain proxy or a gateway.  The protocol does not
discuss how to handle such responses. That will again depend on the
implementation.
          For example if the proxy implementation has a way to identify
alternate routes/gateways the request should be forwarded to the same.

  Regards
  Nisha


        "Atul Khandelwal" <[EMAIL PROTECTED]>
        Sent by: [EMAIL PROTECTED]
        08/24/04 11:24 AM
       To "Sip-Implementors" <[EMAIL PROTECTED]>
              cc
              Subject [Sip-implementors] (no subject)







  Hi all,

  Is 502 Bad Gateway response received when the proxy is not in the
  position to find out the called party ?
  Also in this case does the proxy query the
  Redirect and the Location server?

  Thanks,
  Atul

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