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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello Bogdan.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Whatever fits you better.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:1.0pt;margin-bottom:5.0pt;margin-left:1.0pt'><b><span style='color:#5F5F5F'>Antonis</span></b><span style='color:#595959'><o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>From:</b> Users <users-bounces@lists.opensips.org> <b>On Behalf Of </b>Bogdan-Andrei Iancu<br><b>Sent:</b> Δευτέρα, 24 Νοεμβρίου 2025 09:31<br><b>To:</b> gmaruzz@opentelecom.it; OpenSIPS users mailling list <users@lists.opensips.org>; Giovanni Maruzzelli <gmaruzz@gmail.com><br><b>Subject:</b> Re: [OpenSIPS-Users] 100rel / PRACK Interworking<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></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><o:p></o:p></p><pre>Bogdan-Andrei Iancu<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>OpenSIPS Founder and Developer<o:p></o:p></pre><pre> <a href="https://www.opensips-solutions.com">https://www.opensips-solutions.com</a><o:p></o:p></pre><pre> <a href="https://www.siphub.com">https://www.siphub.com</a><o:p></o:p></pre><div><p class=MsoNormal>On 14.11.2025 11:30, Giovanni Maruzzelli wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>> It really is a mess, to me it seems that IMS guys are scared of rtp<o:p></o:p></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?)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></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<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>But I know they (trunk providers) start to *REQUIRE* PRACK<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>So, probably a module, or an extension of an existing module, can be warranted and welcome<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Possibly on 3.6.X (that's the last LTS of the 3.0.0 series)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Let's open a thread on what functionalities can be useful in it?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-giovanni<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Fri, Nov 14, 2025 at 10:21 AM Johan De Clercq <<a href="mailto:Johan@democon.be">Johan@democon.be</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=MsoNormal>+1. I totally agree with you. <o:p></o:p></p><div><p class=MsoNormal>It really is a mess, to me it seems that IMS guys are scared of rtp. <o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></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>>:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE>Hi!<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>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><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It is definitely a endpoint / softswitch feature. <span lang=DE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <span lang=DE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>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><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <span lang=DE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Br<span lang=DE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Walter <span lang=DE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <span lang=DE><o:p></o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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<o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE> <o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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 ? <o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE>BR, Johan. <o:p></o:p></span></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE> <o:p></o:p></span></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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>>:<o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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><o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE> <o:p></o:p></span></p></blockquote></div></div></div></div></blockquote></div></blockquote></div></div></blockquote></div></body></html>