[OpenSIPS-Users] 100rel / PRACK Interworking

[Giovanni Maruzzelli]

Dude abide

btw, https://lists.opensips.org/cgi-bin/mailman/listinfo returns bad gateway


On Mon, Nov 24, 2025 at 2:12 PM Bogdan-Andrei Iancu <bogdan at opensips.org>
wrote:

> OK, Giovanni, would you take the role of starting a new thread (was your
> idea :D) here and filling in all the PRACK related requirements that you
> have in mind at this step - and we can use that as starting point for the
> discussion.
>
> Regards,
>
> Bogdan-Andrei Iancu
>
> OpenSIPS Founder and Developer
>   https://www.opensips-solutions.com
>   https://www.siphub.com
>
> On 24.11.2025 09:56, Antonios Psaras wrote:
>
> Hello Bogdan.
>
>
>
> Whatever fits you better.
>
>
>
> *Antonis*
>
>
>
> *From:* Users <users-bounces at lists.opensips.org>
> <users-bounces at lists.opensips.org> *On Behalf Of *Bogdan-Andrei Iancu
> *Sent:* Δευτέρα, 24 Νοεμβρίου 2025 09:31
> *To:* gmaruzz at opentelecom.it; OpenSIPS users mailling list
> <users at lists.opensips.org> <users at lists.opensips.org>; Giovanni
> Maruzzelli <gmaruzz at gmail.com> <gmaruzz at gmail.com>
> *Subject:* Re: [OpenSIPS-Users] 100rel / PRACK Interworking
>
>
>
> Hi Giovanni, Johan, Antonios,
>
> Talking about the PRACK, yes, it sounds like a good idea to get such
> support in the dialog module. And yes, we need to start with drafting the
> functionality to be provided - should we do this over the #2076 github
> ticket (mentioned by Giovanni) or open new thread here, backed-up by a GH
> wiki page to aggregate the requirements ?
>
> Best regards,
>
> Bogdan-Andrei Iancu
>
>
>
> OpenSIPS Founder and Developer
>
>   https://www.opensips-solutions.com
>
>   https://www.siphub.com
>
> On 14.11.2025 11:30, Giovanni Maruzzelli wrote:
>
> > It really is a mess, to me it seems that IMS guys are scared of rtp
>
> +1 it is an endpoint thing, trunk providers are wrong to ask for it (what
> do they get from it?)
>
>
>
> when you (trunk provider) know that the phone is actually ringing, what do
> you gain? It has meaning when you control the whole chain, end-to-end
> (carriers, IMS) not at all for
> deskphone->itsp->trunk->whatever->carrier->endphone
>
>
>
> But I know they (trunk providers) start to *REQUIRE* PRACK
>
>
>
> So, probably a module, or an extension of an existing module, can be
> warranted and welcome
>
>
>
> Possibly on 3.6.X (that's the last LTS of the 3.0.0 series)
>
>
>
> Let's open a thread on what functionalities can be useful in it?
>
>
>
> -giovanni
>
>
>
>
>
> On Fri, Nov 14, 2025 at 10:21 AM Johan De Clercq <Johan at democon.be> wrote:
>
> +1.  I totally agree with you.
>
> It really is a mess, to me it seems that IMS guys are scared of rtp.
>
>
>
> Op vr 14 nov 2025 om 10:03 schreef Walter Schober <
> walter.schober at neotel.at>:
>
> Hi!
>
>
>
> I also want to point out that its not done with PRACK handling alone.
> Followup (multiple) UPDATE with codec changes must be handled, too.
> Sometimes that lead into AMR(WB)/PCMA/G722/OPUS transcoding in early state.
> Including all the DTMF PT issues.
>
> It is definitely a endpoint / softswitch feature.
>
>
>
> I know those ignorant IMS guys pushing out their internal mess to plain
> RFC3261 interconnects and forcing tasks previously done by an MSC to the
> rest of the world.
>
>
>
> Br
>
> Walter
>
>
>
> *Von:* Users <users-bounces at lists.opensips.org> *Im Auftrag von *Johan De
> Clercq
> *Gesendet:* Donnerstag, 13. November 2025 16:29
> *An:* gmaruzz at opentelecom.it; OpenSIPS users mailling list <
> users at lists.opensips.org>
> *Betreff:* Re: [OpenSIPS-Users] 100rel / PRACK Interworking
>
>
>
> Giovanni on a side note, what to do with update ? do you handle it locally
> or do you forward it to your endpoint ?
>
>
>
> BR, Johan.
>
>
>
> Op do 13 nov 2025 om 15:54 schreef Giovanni Maruzzelli <gmaruzz at gmail.com
> >:
>
> Antonio, you may want to update this feature request from Johan:
> https://github.com/OpenSIPS/opensips/issues/2076
>
>
>
>
> _______________________________________________
> Users mailing listUsers at lists.opensips.orghttp://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
>

-- 
Sincerely,

Giovanni Maruzzelli
OpenTelecom.IT
cell: +39 347 266 56 18
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