<div dir="ltr"><div>Yes, we dumped the channel variables using the info application, unfortunately it didn't expose the contact parameters that were in the Contact.</div><div><br></div><div>We did end up with a work around by enabling the "parse-all-invite-headers" in the sofia config and then that did indeed dump the full Contact to the "sip_i_contact" variable. We were then able to export that as a new X-Header to pass along to the SBC. Kind of messy<br></div><div>┬ábut it got us working in the meantime.</div><div><br></div><div>Ideally we would still like to be able to extract that info and place it back in the outbound contact of the b-leg. However, I have seen a couple of older posts that indicate it may be difficult because we are using the bridge application after the LCR lookup and it is difficult to manipulate the Contact because of the outbound configuration.</div><div><br></div><div>Thoughts?</div><div><br></div><div>--Chris<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 22, 2021 at 1:46 PM Brian West <<a href="mailto:brian@freeswitch.com">brian@freeswitch.com</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"><div dir="ltr">Have you used the info app or the uuid_dump to investigate where it is in the variables?<div><br></div><div>/b</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 22, 2021 at 11:56 AM Chris Wallace <<a href="mailto:c.wallace777@gmail.com" target="_blank">c.wallace777@gmail.com</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"><div dir="ltr"><div>We are working on implementing STIR/SHAKEN and have run into a snag when passing calls through our FreeSwitch LCR which sits between our call feature server and our SBC's. Our call feature server is passing parameters in the Contact for attestation-info and origination-id. It is intended that our SBC's will extract this data from the Contact and use it to generate an identity header before leaving our network. Ideally this information would be passed via X-Header(s) but unfortunately this is what we have to work with at the moment.</div><div><br></div><div>We have tried to use both the "sip_invite_contact_params" and "sip_contact_params" channel variables but neither of them seem to get any data from the Contact within the inbound INVITE. We had success testing with "sip_contact_user" and dumping that data to an X-Header but we can't seem to get FreeSwitch to recognize or dump the other parameters.</div><div><br></div><div>When debugging an active call and dumping the channel variable data for each leg of the call we don't see any of the additional parameters that are in the Contact listed in the channel variables that are dumped for either call leg's UUID.<br></div><div><pre style="box-sizing:inherit;margin:4px 0px;padding:8px;font-size:12px;line-height:1.50001;font-variant-ligatures:none;white-space:pre-wrap;word-break:normal;font-family:Monaco,Menlo,Consolas,"Courier New",monospace;border-radius:4px;color:rgb(29,28,29);font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><b>Contact in INVITE into FreeSwitch</b><br>Contact: <sip:15558675309@x.x.x.x:5060>;isup-oli=00;attestation-info=1;origination-id=1000;verstat=0<br></pre><pre style="box-sizing:inherit;margin:4px 0px;padding:8px;font-size:12px;line-height:1.50001;font-variant-ligatures:none;white-space:pre-wrap;word-break:normal;font-family:Monaco,Menlo,Consolas,"Courier New",monospace;border-radius:4px;color:rgb(29,28,29);font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><b>sip_contact_user Dump to X-Header:</b><br style="box-sizing:inherit">X-ContactUser: 15558675309</pre><pre style="box-sizing:inherit;margin:4px 0px;padding:8px;font-size:12px;line-height:1.50001;font-variant-ligatures:none;white-space:pre-wrap;word-break:normal;font-family:Monaco,Menlo,Consolas,"Courier New",monospace;border-radius:4px;color:rgb(29,28,29);font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><b>FreeSwitch Logging:</b><br>EXECUTE [depth=0] sofia/core/15558675309@x.x.x.x:5060 export(sip_h_X-ContactUser=15558675309)<br style="box-sizing:inherit">2021-06-18 15:24:10.079576 [DEBUG] switch_channel.c:1310 EXPORT (export_vars) [sip_h_X-ContactUser]=[15558675309]<br style="box-sizing:inherit">EXECUTE [depth=0] sofia/core/15558675309@x.x.x.x:5060 export(sip_h_X-ContactParam=)<br style="box-sizing:inherit">2021-06-18 15:24:10.079576 [DEBUG] switch_channel.c:1310 EXPORT (export_vars) [sip_h_X-ContactParam]=[UNDEF]</pre></div></div>
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