<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I expect Bandwidth is attesting that they know the identity of the SIP trunking provider that sent your call to Bandwidth. <div class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class="">CDK Global -> [term provider 1] -> [term provider 2, Strips Identity Header] -> [term provider 3] -> [<a href="http://Bandwidth.com" class="">Bandwidth.com</a>]</div></blockquote><div class=""><br class=""></div><div class="">...And <a href="https://www.bandwidth.com/blog/abcs-of-attestation-and-analytics/" class="">term provider 3 is a customer of Bandwidth.com.</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">
<meta charset="UTF-8" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0);"><font face="Arial Black" color="#18498b" class=""><b class=""><font size="1" class="">Mark R Lindsey<span class="Apple-converted-space"> </span></font><font size="4" class=""><span style="font-style: normal;" class="">|</span></font><font size="1" class=""><span class="Apple-converted-space"> </span>SMTS </font></b></font><b style="caret-color: rgb(24, 73, 139); color: rgb(24, 73, 139); font-family: "Arial Black";" class=""><font size="4" class="">|</font></b><font face="Arial Black" color="#18498b" class=""><b class=""><font size="1" class=""> +1-229-316-0013 </font></b></font><b style="caret-color: rgb(24, 73, 139); color: rgb(24, 73, 139); font-family: "Arial Black";" class=""><font size="4" class="">|</font></b><font face="Arial Black" color="#18498b" class=""><b class=""><font size="1" class=""> <a href="mailto:mark@ecg.co" class="">mark@ecg.co</a></font></b></font></div><div><font color="#18498b" face="Arial" size="1" class=""><a href="https://ecg.co/lindsey/schedule" class="">Schedule a meeting</a><font style="font-style: normal;" class=""> </font></font></div></div>
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<div><br class=""><blockquote type="cite" class=""><div class="">On Jul 5, 2022, at 12:19, Zilk, David <<a href="mailto:David.Zilk@cdk.com" class="">David.Zilk@cdk.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">I am getting results from a test to the Bandwidth number that are confusing. It appears that our Identity header is not making it through to them, however the call does have an Identity header, certified by Bandwith, with B attestation. This is odd as we don't have any direct business relationship with Bandwidth. How can they claim B attestation?<br class=""><br class="">David Zilk<br class="">CDK Global/IP Networked Services<br class=""><br class="">-----Original Message-----<br class="">From: VoiceOps <<a href="mailto:voiceops-bounces@voiceops.org" class="">voiceops-bounces@voiceops.org</a>> On Behalf Of David Frankel<br class="">Sent: Sunday, July 3, 2022 8:05 AM<br class="">To: <a href="mailto:voiceops@voiceops.org" class="">voiceops@voiceops.org</a><br class="">Subject: [EXTERNAL] [VoiceOps] Identity Header Test Tool<br class=""><br class="">CAUTION: This email originated from outside of the CDK organization. Exercise caution when clicking links or opening attachments, especially from unknown senders.<br class=""><br class="">Last week I was forwarded a note from this list regarding tools to test and debug SHAKEN Identity headers. That prompted us to stitch together some modules we already had in an attempt to help.<br class=""><br class="">What we have is at <a href="http://identity.legalcallsonly.org" class="">http://identity.legalcallsonly.org</a>. You can call one of the test numbers listed on that page, and if we receive your header, we'll read you a six-digit code. Disconnect and then plug the code into the box on the web form, and we'll show you details of that Identity header.<br class=""><br class="">Perhaps most importantly, you'll be able to see if the header we received is the one you sent. In addition, we parse the header and try to tell you if it is correctly formatted and valid.<br class=""><br class="">Currently we have a couple of geographic DIDs and three toll-free numbers (each using different underlying providers). So far we aren't having a lot of success getting the Identity headers on the TFNs; we're working to improve that.<br class=""><br class="">Suggestions welcome. We hope the tool provokes more discussion about best practices regarding making the Authentication Framework as functional and useful as possible.<br class=""><br class="">Happy 4th of July!<br class=""><br class="">David Frankel<br class="">ZipDX LLC<br class="">St. George, UT USA<br class=""><br class=""><br class="">_______________________________________________<br class="">VoiceOps mailing list<br class=""><a href="mailto:VoiceOps@voiceops.org" class="">VoiceOps@voiceops.org</a><br class="">https://puck.nether.net/mailman/listinfo/voiceops<br class="">_______________________________________________<br class="">VoiceOps mailing list<br class="">VoiceOps@voiceops.org<br class="">https://puck.nether.net/mailman/listinfo/voiceops<br class=""></div></div></blockquote></div><br class=""></div></body></html>