Questions on sip belong on the sip-implementors list. Comments below. > -----Original Message----- > From: Victor A Paulsamy [mailto:[EMAIL PROTECTED]] > Sent: Thursday, March 22, 2001 4:33 PM > To: SIP > Cc: Victor A Paulsamy > Subject: [SIP] When to present the user with the incoming call? > > > Hi, > > "When should the user be alerted (180-ring back):" should be > read as "When > should the user (at the callee end) be alerted:" > sorry for the typo. Here comes the corrected question: > > When should the user (at the callee end) be alerted:*after* > SDP validation > or as the INVITE is received by the UA (alert the user first > and validate > SDP *only* if the user accepts the call)? By validation, I assume you mean syntax verification and other checks. THis is an implementation decision. I suspect it makes more sense to validate the SDP first, so that you don't answer calls you know can't be answered anyway. -Jonathan R. --- Jonathan D. Rosenberg 72 Eagle Rock Ave. Chief Scientist First Floor dynamicsoft East Hanover, NJ 07936 [EMAIL PROTECTED] FAX: (973) 952-5050 http://www.cs.columbia.edu/~jdrosen PHONE: (973) 952-5000 http://www.dynamicsoft.com _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
