Comments inline... Thanks, Nataraju A B > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:sip-implementors- > [EMAIL PROTECTED] On Behalf Of Nittin Dutt > Sent: Saturday, August 26, 2006 7:31 PM > To: 'Bob Penfield'; 'Andy Pandaram'; sip-implementors@cs.columbia.edu > Subject: Re: [Sip-implementors] Out of dialog BYE > > Call-Statefull SIP Proxy or the likes of SBCs may choose to decline BYE on > unmatched dialog with 481. User credentials in BYE may be verified before > doing so in order to avoid a DOS attack. > [ABN] even if its CSF, if the BYE does not match any of the existing dialogs should proxy that request.
Assume the scenario where in CSF got restarted in between, while a call was up. Proxy sees BYE as an out-of-dialog request whereas its actually not for UAC and UAS. In this case it's very much necessary for CSF proxy to forward that BYE like stateless proxy. > -Nittin Dutt > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Bob > Penfield > Sent: 24 August 2006 15:49 > To: Andy Pandaram; sip-implementors@cs.columbia.edu > Subject: Re: [Sip-implementors] Out of dialog BYE > > Generally, the proxy should forward the request. A typical proxy does not > keep dialog state, so there would be no way for the proxy to know that it > was an 'out-of-dialog'. One of the UAs might be RFC 2543 compliant and RFC > 2543 did not require a tag in the From/To header in all cases. > > Even if the proxy did maintain dialog state, it might have lost that state > if it restarted, so it should forward it in that case. > > cheers, > (-:bob > > Robert F. Penfield > Chief Software Architect > Acme Packet, Inc. > 71 Third Avenue > Burlington, MA 01803 > [EMAIL PROTECTED] > > > > > ----- Original Message ----- > From: "Andy Pandaram" <[EMAIL PROTECTED]> > To: <sip-implementors@cs.columbia.edu> > Sent: Thursday, August 24, 2006 7:12 AM > Subject: [Sip-implementors] Out of dialog BYE > > > > If a proxy receives an out of dialog BYE, should it respond to it with a > > 481 or proxy it? > > > > Thanks > > Andy > > > > > > --------------------------------- > > Here's a new way to find what you're looking for - Yahoo! Answers > > Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. > Get > > > it NOW > > _______________________________________________ > > Sip-implementors mailing list > > Sip-implementors@cs.columbia.edu > > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > > > --------------- > This e-mail may contain confidential and/or privileged information. If you > are not the intended recipient (or have received this e-mail in error) > please notify the sender immediately and delete this e-mail. Any > unauthorized copying, disclosure or distribution of the contents in this > e-mail is strictly forbidden. > --------------- > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
