Update support would also be handy. For ease of use there should be update to reinvite (update is a massive problem). as you like the oracle documents, here is a link https://docs.oracle.com/cd/E95618_01/html/sbc_scz810_acliconfiguration/GUID-17824ABA-36FE-4E50-A6EB-F3BADEA9767E.htm .
I implement this feature everywhere. -Johan. Verzonden vanuit Outlook voor iOS <https://aka.ms/o0ukef> ------------------------------ *Van:* Users <[email protected]> namens Bogdan-Andrei Iancu < [email protected]> *Verzonden:* Wednesday, November 26, 2025 8:59:10 AM *Aan:* OpenSIPS users mailling list <[email protected]>; Vlad Paiu < [email protected]> *Onderwerp:* Re: [OpenSIPS-Users] PRACK interworking requirements Hey Vlad, Yeah, the function is a good starting point, but maybe for internal usage, either with a wrapper on top or in an auto mode, in order to take care of all 100rel specifics. Regards, Bogdan-Andrei Iancu OpenSIPS Founder and Developer https://www.opensips-solutions.com https://www.siphub.com On 25.11.2025 18:23, Vlad Paiu wrote: note that we currently have https://opensips.org/html/docs/modules/3.6.x/dialog.html#func_dlg_send_sequential , it can be used to generate a PRACK ( you'll have to manually add the Rseq header), but it's not working properly if the upstream has multiple TO-TAGS that are ringing ( it will always generate to the newest learnt to-tag, and there's also some quirks with CSEQ mapping ), so perhaps the 'manual' approach would be getting dlg_send_sequential to work properly for generating early requests ( with PRACK being a rather specific use-case due to it's cseq/rseq stuff ) On 11/25/25 13:14, Giovanni Maruzzelli wrote: 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 _______________________________________________ Users mailing [email protected]http://lists.opensips.org/cgi-bin/mailman/listinfo/users _______________________________________________ Users mailing [email protected]http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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