<div dir="ltr">Actually I have already done it, but maybe there was a glitch in the mailing list server.<div><br></div><div>I'll resend it immediately now</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Nov 25, 2025 at 10:43 AM Bogdan-Andrei Iancu <<a href="mailto:bogdan@opensips.org" target="_blank">bogdan@opensips.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>
<div>
<font face="monospace">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.<br>
<br>
Regards, </font>
<pre cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a href="https://www.opensips-solutions.com" target="_blank">https://www.opensips-solutions.com</a>
<a href="https://www.siphub.com" target="_blank">https://www.siphub.com</a></pre>
<div>On 24.11.2025 09:56, Antonios Psaras
wrote:<br>
</div>
<blockquote type="cite">
<div>
<p class="MsoNormal">Hello Bogdan.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Whatever fits you better.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal" style="margin-right:1pt;margin-bottom:5pt;margin-left:1pt"><b><span style="color:rgb(95,95,95)">Antonis</span></b><span style="color:rgb(89,89,89)"><u></u><u></u></span></p>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class="MsoNormal"><b>From:</b> Users
<a href="mailto:users-bounces@lists.opensips.org" target="_blank"><users-bounces@lists.opensips.org></a> <b>On Behalf Of
</b>Bogdan-Andrei Iancu<br>
<b>Sent:</b> Δευτέρα, 24 Νοεμβρίου 2025 09:31<br>
<b>To:</b> <a href="mailto:gmaruzz@opentelecom.it" target="_blank">gmaruzz@opentelecom.it</a>; OpenSIPS users mailling
list <a href="mailto:users@lists.opensips.org" target="_blank"><users@lists.opensips.org></a>; Giovanni Maruzzelli
<a href="mailto:gmaruzz@gmail.com" target="_blank"><gmaruzz@gmail.com></a><br>
<b>Subject:</b> Re: [OpenSIPS-Users] 100rel / PRACK
Interworking<u></u><u></u></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Hi Giovanni,
Johan, Antonios,<br>
<br>
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 ?<br>
<br>
Best regards,</span><br>
<br>
<u></u><u></u></p>
<pre>Bogdan-Andrei Iancu<u></u><u></u></pre>
<pre><u></u> <u></u></pre>
<pre>OpenSIPS Founder and Developer<u></u><u></u></pre>
<pre> <a href="https://www.opensips-solutions.com" target="_blank">https://www.opensips-solutions.com</a><u></u><u></u></pre>
<pre> <a href="https://www.siphub.com" target="_blank">https://www.siphub.com</a><u></u><u></u></pre>
<div>
<p class="MsoNormal">On 14.11.2025 11:30, Giovanni Maruzzelli
wrote:<u></u><u></u></p>
</div>
<blockquote style="margin-top:5pt;margin-bottom:5pt">
<div>
<div>
<p class="MsoNormal">> It really is a mess, to me it
seems that IMS guys are scared of rtp<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">+1 it is an endpoint thing, trunk
providers are wrong to ask for it (what do they get from
it?)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">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<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">But I know they (trunk providers)
start to *REQUIRE* PRACK<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">So, probably a module, or an
extension of an existing module, can be warranted and
welcome<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Possibly on 3.6.X (that's the last
LTS of the 3.0.0 series)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Let's open a thread on what
functionalities can be useful in it?<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">-giovanni<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<div>
<p class="MsoNormal">On Fri, Nov 14, 2025 at 10:21 AM
Johan De Clercq <<a href="mailto:Johan@democon.be" target="_blank">Johan@democon.be</a>>
wrote:<u></u><u></u></p>
</div>
<blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-left:4.8pt;margin-right:0cm">
<div>
<p class="MsoNormal">+1. I totally agree with you. <u></u><u></u></p>
<div>
<p class="MsoNormal">It really is a mess, to me it
seems that IMS guys are scared of rtp. <u></u><u></u></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<div>
<p class="MsoNormal">Op vr 14 nov 2025 om 10:03
schreef Walter Schober <<a href="mailto:walter.schober@neotel.at" target="_blank">walter.schober@neotel.at</a>>:<u></u><u></u></p>
</div>
<blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-left:4.8pt;margin-right:0cm">
<div>
<div>
<div>
<p class="MsoNormal"><span lang="DE">Hi!<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="DE"> <u></u><u></u></span></p>
<p class="MsoNormal">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.<span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal">It is
definitely a endpoint / softswitch feature.
<span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal"> <span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal">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.<span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal"> <span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal">Br<span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal">Walter <span lang="DE"><u></u><u></u></span></p>
<p class="MsoNormal"> <span lang="DE"><u></u><u></u></span></p>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class="MsoNormal"><b><span lang="DE">Von:</span></b><span lang="DE"> Users <<a href="mailto:users-bounces@lists.opensips.org" target="_blank">users-bounces@lists.opensips.org</a>>
<b>Im Auftrag von </b>Johan De Clercq<br>
<b>Gesendet:</b> Donnerstag, 13.
November 2025 16:29<br>
<b>An:</b> <a href="mailto:gmaruzz@opentelecom.it" target="_blank">gmaruzz@opentelecom.it</a>;
OpenSIPS users mailling list <<a href="mailto:users@lists.opensips.org" target="_blank">users@lists.opensips.org</a>><br>
<b>Betreff:</b> Re: [OpenSIPS-Users]
100rel / PRACK Interworking<u></u><u></u></span></p>
</div>
<p class="MsoNormal"><span lang="DE"> <u></u><u></u></span></p>
<div>
<p class="MsoNormal"><span lang="DE">Giovanni on a side note, what
to do with update ? do you handle it
locally or do you forward it to your
endpoint ? <u></u><u></u></span></p>
<div>
<p class="MsoNormal"><span lang="DE"> <u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="DE">BR, Johan. <u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="DE"> <u></u><u></u></span></p>
<div>
<div>
<p class="MsoNormal"><span lang="DE">Op do 13 nov 2025 om 15:54
schreef Giovanni Maruzzelli <<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>>:<u></u><u></u></span></p>
</div>
<blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin:5pt 0cm 5pt 4.8pt">
<div>
<p class="MsoNormal"><span lang="DE">Antonio, you may want to
update this feature request from
Johan: <a href="https://github.com/OpenSIPS/opensips/issues/2076" target="_blank">https://github.com/OpenSIPS/opensips/issues/2076</a><u></u><u></u></span></p>
</div>
<p class="MsoNormal"><span lang="DE"> <u></u><u></u></span></p>
</blockquote>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
</div>
</blockquote>
</div>
<br>
<fieldset></fieldset>
<pre>_______________________________________________
Users mailing list
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</pre>
</blockquote>
<br>
</div>
</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature">Sincerely,<br><br>Giovanni Maruzzelli<br>OpenTelecom.IT<br>cell: +39 347 266 56 18<br><br></div>