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 <[email protected]>: > Antonio, you may want to update this feature request from Johan: > https://github.com/OpenSIPS/opensips/issues/2076 > > On Thu, Nov 13, 2025 at 3:48 PM Antonios Psaras <[email protected]> > wrote: > >> Hello Giovanni >> >> >> >> I totally agree with you. PRACK is an endpoint feature. But as you know, >> working with IMS, and having all kind or end point implementations of sip >> stack you need to do the dirty job in the middle for interoperability >> reasons. Commercial SBC have that feature called 100rel Interworking which >> can be enabled per Trunk. Hence, if a carrier requires 100rel/PRACK >> enforcement and the end point does not supporting it, the function is >> engaged and handles the PRACK locally. >> >> >> >> I will check Bogdan suggestion but in the first read looks like a tmp >> work around which I am not sure if that can be scaled to few hundreds of >> CPS that we work with. >> >> >> >> As this is a feature that will be needed for VoLTE/5G/IMS networks my >> suggestion is to create a module for that. >> >> >> >> Regards >> >> >> >> >> >> *From:* Giovanni Maruzzelli <[email protected]> >> *Sent:* Πέμπτη, 13 Νοεμβρίου 2025 16:37 >> *To:* [email protected]; OpenSIPS users mailling list < >> [email protected]> >> *Subject:* Re: [OpenSIPS-Users] 100rel / PRACK Interworking >> >> >> >> >> >> >> >> El 26/02/2024 a las 7:43 a. m., Bogdan-Andrei Iancu escribió: >> >> >* yes, you can use the b2b_logic (together with b2b_entities) for that, * >> >> >* but it may be a too heavy tool for the purpose. Maybe you can try to * >> >> >* generate the PRACK from OpenSIPS level by using the t_uac_dlg MI * >> >> >* function [1] via the mi_script module [2] - basically to trigger that * >> >> >* MI cmd from the onreply_route, when receiving the 180 reply.* >> >> > >> >> >* [1] https://opensips.org/html/docs/modules/3.4.x/tm.html#mi_t_uac_dlg >> ><https://opensips.org/html/docs/modules/3.4.x/tm.html#mi_t_uac_dlg>* >> >> >* [2] https://opensips.org/html/docs/modules/3.4.x/mi_script.html#afunc_mi >> ><https://opensips.org/html/docs/modules/3.4.x/mi_script.html#afunc_mi> * >> >> >> >> >> >> >> >> On Thu, Nov 13, 2025 at 3:34 PM Giovanni Maruzzelli <[email protected]> >> wrote: >> >> >> >> >> >> eg: https://lists.opensips.org/pipermail/users/2024-March/047880.html >> >> >> >> >> >> >> >> On Thu, Nov 13, 2025 at 3:27 PM Giovanni Maruzzelli <[email protected]> >> wrote: >> >> Hello Antonio, >> >> >> >> PRACK is actually an endpoint feature, at the proxy level you can only >> fake it... >> >> >> >> -giovanni >> >> >> >> On Thu, Nov 13, 2025 at 3:14 PM Antonios Psaras <[email protected]> >> wrote: >> >> Dear Team >> >> >> >> As many carriers requires 100rel for interoperability reason with IMS, >> the need for 100rel interworking is mandatory. Is there any solution >> available to implement that on OpenSIPs Proxy level? >> >> >> >> Regards >> >> >> >> Antonis Psaras >> >> >> >> >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> >> >> >> -- >> >> Sincerely, >> >> Giovanni Maruzzelli >> OpenTelecom.IT >> cell: +39 347 266 56 18 >> >> >> >> >> -- >> >> Sincerely, >> >> Giovanni Maruzzelli >> OpenTelecom.IT >> cell: +39 347 266 56 18 >> >> >> >> >> -- >> >> Sincerely, >> >> Giovanni Maruzzelli >> OpenTelecom.IT >> cell: +39 347 266 56 18 >> > > > -- > Sincerely, > > Giovanni Maruzzelli > OpenTelecom.IT > cell: +39 347 266 56 18 > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users >
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