Subject: [Sip] Query on PRACK

From: Gokul Krishnan <[email-masked]>
Date: Sat, 29 Nov 2003 04:13:41 -0800 (PST)

Hi All,
 
Does PRACK trigger another 2XX response ? If yes, does that mean UAC should send an ACK? Can any one please provide a message sequence flow?
 
  If a PRACK request is received by the UA core that does not
  match any unacknowledged reliable provisional response, the 
  UAS MUST respond to the PRACK with a 481 response.  If the
  PRACK does match an unacknowledged reliable provisional
  response, it MUST be responded to with a 2xx response.  
  (RFC 3262, Page 5)

Thanks and Regards
Gokul

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