not always. but, if UA _exactly_ know that callee can't be reached, you right.
В Вск, 26/02/2006 в 22:31 -0800, Gaurav Kheterpal пишет: > Hi, > > Since it would make much more sense to parse the mandatory SIP headers > first before moving onto SDP validation, so I think the UAS needs to > send a 404 response rather than a 488. > > Moreover, the error responses for media should be thrown only if the > user has been at least identified (and authenticated if needed). > > I hope this helps. > > Regards, > Gaurav > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Ramya > Jothi > Sent: Monday, February 27, 2006 11:33 AM > To: [email protected] > Subject: [Sip-implementors] Invite Message Containing a Unknown User as > wellas Invalid Media > > Hi All > > What would be the behavoiur of UAS if the Invite Message Contains a > Unknown User as well as Invalid Media in he offer > Example: > > Where manish in an unknown user > > INVITE sip:[EMAIL PROTECTED]:5060 SIP/2.0 > Via: SIP/2.0/UDP 192.168.3.70:5080;branch=z9hG4bK45466680-34879546 > Record-Route: <sip:[EMAIL PROTECTED]:5060;lr> > From: "POCIT" <sip:[EMAIL PROTECTED]:5060>;tag=IPPSTK_4546680-442365594 > To: "SomeOne" <sip: [EMAIL PROTECTED]:5060> > Call-ID: 45493682-3 > CSeq: 1 INVITE > Max-Forwards: 70 > Contact: > POCIT<sip:[EMAIL PROTECTED]:5080>;expires=300;session=1-1>;isfocus;+g.p > oc.talkburst > Allow: SUBSCRIBE,MESSAGE,NOTIFY,INVITE,CANCEL,ACK,BYE,REFER > Accept-Contact: *;+g.poc.talkburst;require;explicit > Content-Type: application/sdp > Content-Length: 188 > > v=0 > o=IPPSTK 12345 11 IN IP4 192.168.3.70 > s=Session > c=IN IP4 192.168.3.70 > t=0 0 > m=manish 1024 RTP/AVP 97 98 > a=rtpmap:97 AMR/8000 > a=fmtp:97 mode-set=0,2,5,7; maxframes=1 > a=sendrecv > > -Regards > Ramya > " Failure is not when you fall down > Its only when you don't get up again " > > _______________________________________________ > 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 -- Кравченко Петр Геннадьевич НПП "СпецСтрой Связь", НТЦ, разработчик Тел. +7(8634)311562 доп 225 mailto: [EMAIL PROTECTED]
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