Subject: [MEDIACTRL] Passive endpoint SYNC error handling behavior

From: Jean-Francois Bertrand <[email-masked]>
Date: Wed, 21 Jan 2009 13:44:15 -0800

learly specify the behavior of the passive endpoint in the scenario where the Dialog-ID field does not relate to any SIP session.  

      "If the active UA receives a 481 response, this implies that the
       SYNC request was received but no associated SIP dialog exists.
       This also results in the control channel being terminated along
       with the associated SIP dialog (issue a BYE request)."

Is it the responsibility of the active endpoint to terminate the control channel, or should the passive endpoint terminate the control channel after sending the 481 error response?  

thanks

Jean-François Bertrand, ing.
Sr. Software Designer
BroadSoft, Inc. 
Montreal, Qc, Canada
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