Re: [Kamailio-Users] Presence_Dialoginfo versioning

-----Mensaje original----- > De: users-bounces(a)lists.kamailio.org <mailto: > users-bounces(a)lists.kamailio.org&gt; [mailto: > users-bounces(a)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 > > Hi Daniel, Some time ago we posted a patch to try to accomplish what you mention: http://sip-router.org/tracker/index.php?do=details&task_id=18 < http://sip-router.org/tracker/index.php?do=details&task_id=18> Hope it helps. Regards: Francisco > > >> 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(a)spam.lublink.net&gt; 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 > > _______________________________________________ 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