The BYE should be proxied, as in the general case, it may get a 407 from a proxy downstream to your stateful proxy. Only if you have a B2BUA as your stateful proxy and it is also able to do any authentication on behalf of A, should it respond with the 200.
----- Original Message ----- From: "feng zhang" <[EMAIL PROTECTED]> To: "陈善学" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Tuesday, August 20, 2002 5:17 AM Subject: Re: [Sip-implementors] Stateful Proxy > Hi chen, > > the scenario I illustrated is not very clear, I'm sorry. > User A has setup a dialog with User B , and User A sends BYE to terminate the dialog.....later is the scenario I mentioned in the first letter. > > Best Regard. > > >Stateful Proxy will answer 481 Call/Transaction Does Not Exist > >and ignore this INVITE. > > > >----- Original Message ----- > >From: "feng zhang" <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Sent: Tuesday, August 20, 2002 4:31 PM > >Subject: [Sip-implementors] Stateful Proxy > > > > > >> Hi All, > >> > >> Can a Stateful Proxy do that in the scenario below: > >> > >> User A Stateful Proxy User B > >> | | | > >> | BYE | | > >> |--------------------------->| BYE | > >> | |--------------------------->| > >> | | 200 OK | > >> | |<---------------------------| > >> | 200 OK | | > >> | X <----------------| | > >> | line is down and User A does not receive 200 OK, so > >> | User A resends BYE | > >> | | > >> | BYE | > >> |--------------------------->| > >> Here, once a stateful proxy receives a > >retransmitted > >> BYE, can the proxy sends 200 OK to User > >A ? > >> or the proxy still delivers the BYE to > >User B, and > >> let User B resend 200 OK? > >> > >> Thanks a lot to give me an answer! > >> > >> > >> _______________________________________________ > >> Sip-implementors mailing list > >> [EMAIL PROTECTED] > >> http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > > > > > > >. > > _______________________________________________ > Sip-implementors mailing list > [EMAIL PROTECTED] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
