Hi, There is nothing to cancel then, just send 200 Ok if transaction still exists otherwise 481 Call/Transaction Does Not Exist.
Justin Lu wrote: > It is said in Section 9 in 3261 that > > "In that usage, a UAS that receives a CANCEL request for an INVITE, but has > not yet sent a final response, would "stop ringing", and then respond to the > INVITE with a specific error response (a 487)." > > My question is what does the UAS do when it already sent out the final > response (but not received by the UAC) and receives the CANCEL request? > > Justin > > > > ____________________________________________________________________________________Shape > Yahoo! in your own image. Join our Network Research Panel today! > http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7 > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
