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--></style></head><body lang=FR link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Hi David,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>The implementation of stir-shaken in France is different from in the US.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>The text which requires French operators to implement stir-shaken aims to stop the usurpation of caller-id.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>So, what is asked of the operator is to check their customer's caller-id and sign outgoing calls, in the event of fraud, it will then be easy to trace the malicious operator.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>For operators receiving unsigned or incorrectly signed traffic, the call must be disconnected.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>for the case of call forwarding (A -> B then B-> C), there will therefore be two signatures, a first issued by the operator of A and which will be controlled by the operator of B. Then operator B will add his own signature (in addition to that of A), both signatures will be controlled by C<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Regards<o:p></o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-family:"Calibri",sans-serif;color:black'>De : </span></b><span style='font-family:"Calibri",sans-serif;color:black'>Users <users-bounces@lists.opensips.org> au nom de David Villasmil <david.villasmil.work@gmail.com><br><b>Répondre à : </b>OpenSIPS users mailling list <users@lists.opensips.org><br><b>Date : </b>vendredi 5 juillet 2024 à 11:39<br><b>À : </b>OpenSIPS users mailling list <users@lists.opensips.org><br><b>Objet : </b>Re: [OpenSIPS-Users] Removing Identity hdr<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>this is really getting ridiculous... and they think they can stop robocalls with this.. they never will.<br clear=all><o:p></o:p></p><div><div><div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>David Villasmil<o:p></o:p></p><div><p class=MsoNormal>email: <a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></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 Tue, Jun 18, 2024 at 10:56<span style='font-family:"Arial",sans-serif'> </span>AM Alain Bieuzent <<a href="mailto:alain.bieuzent@free.fr">alain.bieuzent@free.fr</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><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Hi,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>interesting question, because in future developments of stir/shaken in France, for forwarded calls, it is planned that the identity field received on the incoming call be forwarded to the outgoing leg but also to add a signature (with the local certificate) on the outgoing call (so two identity fields).</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Regards</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-family:"Calibri",sans-serif;color:black'>De : </span></b><span style='font-family:"Calibri",sans-serif;color:black'>Users <<a href="mailto:users-bounces@lists.opensips.org" target="_blank">users-bounces@lists.opensips.org</a>> au nom de Srigo Kanapathipillai <<a href="mailto:ksrigo@gmail.com" target="_blank">ksrigo@gmail.com</a>><br><b>Répondre à : </b>OpenSIPS users mailling list <<a href="mailto:users@lists.opensips.org" target="_blank">users@lists.opensips.org</a>><br><b>Date : </b>mardi 18 juin 2024 à 08:34<br><b>À : </b>OpenSIPS users mailling list <<a href="mailto:users@lists.opensips.org" target="_blank">users@lists.opensips.org</a>><br><b>Objet : </b>[OpenSIPS-Users] Removing Identity hdr</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I'm encountering an issue with removing an Identity header in OpenSIPS 3.4. Here’s the situation:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>1. An incoming call with an Identity header is received.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>2. I perform a `stir_shaken_verify()` and remove the Identity header in a request route.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>3. The call is forwarded to an upstream server, but it fails.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>4. In the `failure_route`, I need to forward the call to a PSTN number. <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>5. Before sending the call to the PSTN (in compliance with French STIR/SHAKEN regulations), I need to sign it with my certificate.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>However, when I call `stir_shaken_auth()`, I receive an error -2 indicating that the Identity header already exists. Despite running `remove_hf(identity)` before calling this function, the header isn't removed, and `$hdr(identity)` still returns the initial value of the Identity header.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What is the best way to remove the existing Identity header and re-sign the call?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thank you,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Srigo<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>_______________________________________________ Users mailing list <a href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a> <a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a> <o:p></o:p></p></div></div><p class=MsoNormal>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a><br><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal>_______________________________________________ Users mailing list Users@lists.opensips.org http://lists.opensips.org/cgi-bin/mailman/listinfo/users <o:p></o:p></p></div></body></html>