> > > So, how valid is using 487 to decline a call? > The reason-phrase for 487 is "Request Terminated"; that should give some insight into its usage. Its mostly used, like you pointed out , in two cases - dialog is prematurely terminated with a BYE/CANCEL. UAS in this case uses this to terminate the INVITE request - UAS autonomously generates this response when Expires header timer has fired.
-- Regards Harsha _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
