Indeed, the call must be disconnected properly. I would not rewrite the code unless absolutely necessary to avoid edge cases. Kamailio can do some in the middle UAC tasks, in this case maybe you could look at : dialog module dlg_bye(side)
On Mon, Oct 5, 2020 at 6:05 AM Valter Nogueira <val...@fastway.com.br> wrote: > Thank you people. It seems an easy approach using htable. > > I was wondering that this is not compliant with RFC 3261, since a proxy > should not change sip responses. > > In fact not only I should change the sip response but I should send a BYE > on behalf of the UAC. It seems like a B2BUA > > > Em sáb, 3 de out de 2020 12:45, David Villasmil < > david.villasmil.w...@gmail.com> escreveu: > >> Kamailio is so cool, you could even do it without the dialog module. You >> could simply use a hash table (htable module) and when/if a 183/180 is >> received store the callid in the table (with an expiration). Anytime a 200 >> is received check the table (it’s in memory, so really fast), if not found, >> reject. >> Super simple. >> >> >> On Sat, 3 Oct 2020 at 13:51, Valentin Christoph < >> christoph.valen...@kontron.com> wrote: >> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> I am not quite sure, but I would try to store a long-term flag with the >>> help of the dialog module. >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> [...]The dialog module provides dialog awareness for the Kamailio proxy. >>> It's functionality is to keep track of the current dialogs, to offer >>> information about them (e.g. how many dialogs are active), and to manage >>> various characteristics of dialogs. The module >>> >>> exports several functions that can be used directly from the >>> configuration route script as well as functions for the RPC interface. [...] >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> [...]10.6. $dlg_var(key) >>> >>> >>> >>> >>> >>> >>> >>> This is a read/write variable that can be used to store custom values >>> assigned with a dialog (e.g. the URI of a billing-server, an assigned >>> emergency-server). This pseudo-variable will be available only for >>> subsequential requests after doing loose_route(). >>> >>> >>> >>> Note: You will receive "NULL", if there is no dialog for this >>> request.[...] >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> Hint: ACK is a subsequential request >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> Anyway, I am wondering if your approach would be compliant to RFC 3261. >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> KR >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> ------------------------------ >>> >>> >>> *Von:* sr-users <sr-users-boun...@lists.kamailio.org> im Auftrag von >>> Valter Nogueira <val...@fastway.com.br> >>> >>> >>> *Gesendet:* Freitag, 2. Oktober 2020 17:01 >>> >>> >>> *An:* Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org> >>> >>> >>> *Betreff:* [SR-Users] Drop calls with response 200 without previous >>> 180/183 reponses >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> I would like to use Kamailio to drop every call that is answered with no >>> previous 180 / 183 responses or with 180 / 183 responses with no media >>> attached (no SDP?). >>> >>> >>> >>> >>> >>> >>> >>> Is it possible? How could I accomplish this? >>> >>> >>> >>> >>> >>> >>> >>> Thanks, >>> >>> >>> >>> >>> >>> >>> >>> Valter >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> >>> Kamailio (SER) - Users Mailing List >>> >>> sr-users@lists.kamailio.org >>> >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >>> -- >> Regards, >> >> David Villasmil >> email: david.villasmil.w...@gmail.com >> phone: +34669448337 >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> sr-users@lists.kamailio.org >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users@lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >
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