On Tue, Nov 25, 2025, 11:57 Bogdan-Andrei Iancu <[email protected]> wrote:
> > The result here should be a dlg dedicated function to generate a PRACK > from the onreply_route, like "dlg_answer_with_prack()" kind of function? or > should we look into a more automatic approach, like flagging the dialog at > creation to automatically generate the PRACK upon replies flagged with so? > personally I'm a control freak and would like better an explicit function, maybe even with parameters to modify things if needed :)) -giovanni > Regards, > > Bogdan-Andrei Iancu > > OpenSIPS Founder and Developer > https://www.opensips-solutions.com > https://www.siphub.com > > On 25.11.2025 11:46, Giovanni Maruzzelli wrote: > > hello OpenSIPSers, > > in previous mails has been noticed that various ITSPs are starting to > require PRACK support. > > We know that PRACK belongs to endpoints, specifically phones and B2BUAs. > > But... > > There can be a use case where OpenSIPS will work as SBC (not necessarily > using the b2b module) > > So, we can have a case where we would like to support that the dialogue > module insert the 100rel in the Supported: INVITE's header, and manage to > send a PRACK method to acknowledge provisional responses > > If and when 100rel/PRACK are "generated" by OpenSIPS, they will be > filtered out (not propagated) to/from the endpoints, even if the endpoint > would like to support it > > Reference RFC: https://www.ietf.org/rfc/rfc3262.txt > > I believe this will be enough to make ITSPs happy. > > Further developments can be moved to future. > > Would be very very nice to have this feature backported to OpenSIPS 3.6, > being it the last of the 3.X series, and an LTS > > Please let's gather here your thoughts , requests, corrections and > observations on this issue. > > Have a nice Monday you all! > > -giovanni > > -- > Sincerely, > > Giovanni Maruzzelli > OpenTelecom.IT > cell: +39 347 266 56 18 > > > _______________________________________________ > Users mailing > [email protected]http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > >
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