Mahipati Deshpande <[EMAIL PROTECTED]> schrieb am 28.09.05 06:48:57:
Hi Mahipati, > > Hi Markus, > > In section 18.2.1 (RFC 3261) mentioned that -- > "... If a matching server trasaction is found, the > request is passed to that trasaction for processing. > If no match is found, request is passed to the core. > which may decide to constrcut a new transaction for > that request..." > > So I think is -- This means core is responsible for > creating trasaction. so when retransmitted INVITE is > received after destroying IST, INVITE request is > passed to core, not INVITE trasaction. Core is going > to match received request with existing dialog. CSeq > of this received request is less than remote sequence > number of that dialog, so it is going to reject the > request with 500 (section 12.2.2) (...not going to > ignore as I told in my previous email) > > Am I right? You are right. And I suppose that I understand now where the bug is. Thanks. Markus > Thanks, > > --- Markus Hofmann <[EMAIL PROTECTED]> wrote: > > > > > Hello Mahipati, > > > > I think you misunderstand the question. He was > > asking about a retransmission of a INVITE. > > > > In my opinion the transaction layer has no chance to > > recognize that a retransmission of an INVITE was > > received. UAS must create an new INVITE transaction > > and give the INVITE to the UA core. The UA core must > > now recognize that the INVITE is a retransmission > > and must retransmit the 200 OK. This INVITE server > > transaction will be destroyed. > > > > But my problem is, that I do not understand where > > the bug should be? > > > > Greeting > > > > Markus > > > > > > Mahipati Deshpande <[EMAIL PROTECTED]> schrieb > > am 27.09.05 08:10:23: > > > > > > Hi, > > > When a INVITE is received, TU is going to create > > > trasaction. If INVITE matches existing trasaction > > it > > > is considered as re-invite. In your case, for TU, > > > INVITE trasaction is still active( it is waiting > > for > > > ACK). so it is going to treat it as re-invite and > > > ignore it. If suppose it had received ACK for 200 > > OK > > > before retrasmitteed INVITE arrives, TU is going > > to > > > ignore it because CSeq does not follow the rules. > > > > > > Thanks, > > > Mahipati Deshpande > > > > > > --- Richard Wu <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > Hi all, > > > > Supporse there are a UAC and a UAS. The UAS > > receives > > > > the an INVITE and > > > > creates a IST. It responds with a 200 OK (IST > > > > directly goes to the > > > > terminated state) and waits for an ACK. At this > > > > time, if a > > > > re-transmission of invite is received (with the > > same > > > > branch param in the > > > > top via header), what should the UAS do? create > > a > > > > new IST or ignore it? > > > > If there is a solution, does it apply to the > > > > re-invite? Thanks in advance > > > > > > > > Richard Wu > > > > ASTRI > > > > > > > > This message (including any attachments) is for > > the > > > > named addressee(s)'s use only. It may contain > > > > sensitive, confidential, private proprietary or > > > > legally privileged information intended for a > > > > specific individual and purpose, and is > > protected by > > > > law. If you are not the intended recipient, > > > > please immediately delete it and all copies of > > it > > > > from your system, destroy any hard copies of it > > > > and notify the sender. Any use, disclosure, > > copying, > > > > or distribution of this message and/or any > > > > attachments is strictly prohibited. > > > > > > > > > > > > _______________________________________________ > > > > Sip-implementors mailing list > > > > [email protected] > > > > > > > > > > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > > > > > > > > > > > > Mahipati Deshpande > > > > > > > > > > > > > > > __________________________________________________________ > > > > > Yahoo! India Matrimony: Find your partner now. Go > > to http://yahoo.shaadi.com > > > _______________________________________________ > > > Sip-implementors mailing list > > > [email protected] > > > > > > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > > > > > > ______________________________________________________________ > > Verschicken Sie romantische, coole und witzige > > Bilder per SMS! > > Jetzt bei WEB.DE FreeMail: > > http://f.web.de/?mc=021193 > > > > > > > Mahipati Deshpande > > Send instant messages to your online friends http://in.messenger.yahoo.com ______________________________________________________________ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt bei WEB.DE FreeMail: http://f.web.de/?mc=021193 _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
