Re: [Kamailio-Users] Presence_Dialoginfo versioning

-----Mensaje original----- De: users-bounces(a)lists.kamailio.org <mailto:users-bounces@lists.kamailio.org> [mailto:users-bounces@lists.kamailio.org] En nombre de Daniel-Constantin Mierla Enviado el: miércoles, 16 de diciembre de 2009 10:38 Para: David CC: users(a)lists.kamailio.org <mailto:users@lists.kamailio.org> Asunto: Re: [Kamailio-Users] Presence_Dialoginfo versioning On 12/15/09 4:37 PM, David wrote: > OK, it turns out that the presence application is properly > updating > subscriptions within a dialog, and creating new subscriptions > outside > a dialog. > > The difficultly is that I am rewriting the To: header, since I > used > dirty tools, it was dropping ;tag=, so the server thought it > was a new > dialog and the phone the same dialog. This should be fixed once r-uri is used instead of To header, right? I am trying to find some time to fix it, maybe with a mod param option. Cheers, Daniel

> I am testing to make sure that the issue is resolved. > > David > > > > On 2009-12-15 04:12, Olle E. Johansson wrote: >> 15 dec 2009 kl. 09.59 skrev Daniel-Constantin Mierla: >> >>> Hello, >>> >>> On 12/15/09 2:20 AM, kamailio.org(a)spam.lublink.net >>> <mailto:kamailio.org@spam.lublink.net> wrote: >>>> Alright, I finally found the proper RFC, >>>> http://www.rfc-editor.org/rfc/rfc4235.txt >>>> >>>> Section 4.1 : >>>> >>>> "version: This attribute allows the recipient of dialog >>>> information documents to properly order them. Versions >>>> start at 0, >>>> and increment by one for each new document sent to a >>>> subscriber. >>>> Versions are scoped within a subscription. Versions MUST be >>>> representable using a non-negative 32 bit integer." >>>> >>>> Versions are scoped within a subscription, so when a new >>>> subscription is started, ( after the 1 hour expiry ), the >>>> version >>>> should be reset as it is a new subscription and therefore a >>>> new >>>> scope ? >>>> >>>> When the subscription expires, is it renewed or is a new >>>> subscription created? Is the scope separate, or is it the same >>>> subscription updated? >>> I think this is another questionable thing about SIP. IMO, >>> it is >>> same subscription if the dialog attributes do not change >>> (call-id, >>> from tag and to tag). But others can argue is it a new >>> subscription. >>> Anyone else on this one? >>> >> The proper RFC for generic subscription/notify questions is >> RFC 3265. >> >> "3.1.1 Subscription Duration >> SUBSCRIBE requests SHOULD contain an Expires header (defined >> in SIP >> [2]). This expires value indicates >> the duration of the subscription. In order to keep subscriptions >> effective beyond the duration communicated >> in the Expires header, subscribers need to refresh >> subscriptions on a >> periodic basis using a new >> SUBSCRIBE message on the same dialog as defined in SIP [2]" >> >> This indicates to me that it's the same subscription as long >> as you >> refresh it. >> >> RFC4235 refers to RFC 3265 for general terminology about >> subscriptions. >> >> /O > _______________________________________________ > Kamailio (OpenSER) - Users mailing list > Users(a)lists.kamailio.org <mailto:Users@lists.kamailio.org> > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users > -- Daniel-Constantin Mierla * http://www.asipto.com/ _______________________________________________ Kamailio (OpenSER) - Users mailing list Users(a)lists.kamailio.org <mailto:Users@lists.kamailio.org> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users