Thanks for all your kindly explanation. Do you mean that dialog and session is one-2-one relationship and only for different scenario and different context?
Thanks BR Zongjun 2008/4/24, James M. Polk <[EMAIL PROTECTED]>: > At 01:28 PM 4/23/2008, [EMAIL PROTECTED] wrote: > > From: "=?GB2312?B?y+/X2r79?=" <[EMAIL PROTECTED]> > > > > I am confused about the conception of session and dialog in RFC 3261. > > Although someone pointed out the dialog is a relationship between > > peer-2-peer and session is a multimedia relative relation, I am still > > not clear about that. > > > >As I understand the terms, a "session" is the set of media > >transmisstions described/controlled by a series of SDP offer/answer > >exchanges. These exchanges are usually carried by the messages in one > >SIP dialog. > > > To this too, these terms are often meant to be interchangeable - even > though technically they are separate terms with subtlety different > actual meanings (SDP "sessions", and SIP "dialogs"). Sessions and > Dialogs can, sometimes mean the same thing. Thus it requires a bit of > understanding the context in which either is stated in to understand > if they are meaning one or the other, or were misused for the same meaning. > > > > >Dale > >_______________________________________________ > >Sip mailing list https://www.ietf.org/mailman/listinfo/sip > >This list is for NEW development of the core SIP Protocol > >Use [EMAIL PROTECTED] for questions on current sip > >Use [EMAIL PROTECTED] for new developments on the application of sip > > _______________________________________________ > Sip mailing list https://www.ietf.org/mailman/listinfo/sip > This list is for NEW development of the core SIP Protocol > Use [EMAIL PROTECTED] for questions on current sip > Use [EMAIL PROTECTED] for new developments on the application of sip > _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
