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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>I spoke too soon……here’s the registration link:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="https://www.atis.org/webinars/stir-shaken-webinar-series/">STIR/SHAKEN Webinar Series - ATIS</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> VoiceOps <voiceops-bounces@voiceops.org> <b>On Behalf Of </b>Dave Frigen<br><b>Sent:</b> Thursday, December 3, 2020 12:20 PM<br><b>To:</b> 'Patrick Labbett' <patrick.labbett@gmail.com>; 'Glen Gerhard' <glen@cognexus.net><br><b>Cc:</b> voiceops@voiceops.org<br><b>Subject:</b> Re: [VoiceOps] STIR/SHAKEN for call centers<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal>ATIS is hosting ongoing Webinars specific to S/S. The first one is at 2 pm est. today. I’ll try to forward future S/S Webinar links to this site as they become available. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dave<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><<a href="mailto:voiceops-bounces@voiceops.org">voiceops-bounces@voiceops.org</a>> <b>On Behalf Of </b>Patrick Labbett<br><b>Sent:</b> Thursday, December 3, 2020 11:53 AM<br><b>To:</b> Glen Gerhard <<a href="mailto:glen@cognexus.net">glen@cognexus.net</a>><br><b>Cc:</b> <a href="mailto:voiceops@voiceops.org">voiceops@voiceops.org</a><br><b>Subject:</b> Re: [VoiceOps] STIR/SHAKEN for call centers<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Thank you Glen and Paul, much appreciated! <o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Dec 2, 2020 at 5:19 PM Glen Gerhard <<a href="mailto:glen@cognexus.net">glen@cognexus.net</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:13.5pt'>Sounds like a good plan to me. It might help to figure out a few test call paths to verify the verstats directly.<br><br>IMHO much of the S/S technology will be overshadowed by the analytics providers in terms of call presentation/blocking. <br><br>That said, S/S will be helpful to law agencies in tracking malicious intent groups. This alone makes it worth the effort. A lot of the work /benefit takes place at the vetting of corporate ownership. S/S also provides Rich Call Data which replaces the pathetic CNAM.<br><br>The Delegated Certs extension will help with the call center attestations but is still a ways off. Then you need your SBCs and PBXs to support it.<br><br>SIPNOC is next week and it's usually helpful.<br><a href="https://www.sipforum.org/news-events/sipnoc-2020-overview/#topics" target="_blank">https://www.sipforum.org/news-events/sipnoc-2020-overview/#topics</a><br><br><br>~Glen</span><o:p></o:p></p><div><p class=MsoNormal>On 12/2/2020 1:49 PM, Patrick Labbett wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Hello, I'm looking for guidance/feedback on the impact of STIR/SHAKEN on the call center and answering service industries. Very few are interconnected VoIP service providers themselves. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Specifically, customers of these industries often desire the call center utilize their company phone number when contacting their employees or customers for an improved end-user experience. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>The worry is that STIR/SHAKEN will be implemented in a way that causes these "spoofed" calls (that have legitimate business relationships in place) to be marked as such or eventually blocked as STIR/SHAKEN tightens it's grip on malicious intent. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Here is my understanding of the situation: As a customer of an Originating carrier, the Call Center's outbound calls will be signed by their Originating carrier's STIR/SHAKEN certificate - so as long as the SIP Identity header isn't modified in transit and the certificate is validated on the Terminating side, everything should continue to work normally for us as end users. So this is largely the carrier's problem, and not the call centers.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>However, it's not clear (to me) how the Attestation aspect of things will work (and if it even effects the typical customer): <o:p></o:p></span></p></div><div><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo3'><span style='font-family:"Arial",sans-serif'>Does just being a customer of the Originating Carrier give the Call Center's calls Full Attestation?<o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo3'><span style='font-family:"Arial",sans-serif'>As a call center, if spoofing a number not owned/in inventory, would that be Partial Attestation?<o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo3'><span style='font-family:"Arial",sans-serif'>Does the owner/location of the spoofed number matter, i.e. :<o:p></o:p></span></li></ul><ul type=disc><ul type=circle><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level2 lfo3'><span style='font-family:"Arial",sans-serif'>Partial Attestation: Number owned by Originating carrier, but not by customer making call<o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level2 lfo3'><span style='font-family:"Arial",sans-serif'>Gateway Attestation: Number not owned by Originating carrier (and by extension not owned by customer making the call)<o:p></o:p></span></li></ul></ul><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo3'><span style='font-family:"Arial",sans-serif'>Will different Terminating carriers treat Attestation designations differently?</span><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo3'>Is this largely a framework that carriers will implement some day in the future?<o:p></o:p></li></ul><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Am I way overthinking this? (Yes.) <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Thank you in advance for any perspective you can offer, or resources you can direct me to. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>My personal plan of attack for call centers:<o:p></o:p></span></p></div><div><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l5 level1 lfo8'><span style='font-family:"Arial",sans-serif'>Document permission and business use case for numbers spoofed on behalf of customers<o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l5 level1 lfo8'><span style='font-family:"Arial",sans-serif'>That's it - that's the whole plan. <o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l5 level1 lfo8'><span style='font-family:"Arial",sans-serif'>????<o:p></o:p></span></li></ul><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Aside from making sure my carriers know I exist and that I have permission to use those numbers, what else is there?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>-Patrick Labbett<o:p></o:p></span></p></div></div></div><p class=MsoNormal><o:p> </o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>VoiceOps mailing list<o:p></o:p></pre><pre><a href="mailto:VoiceOps@voiceops.org" target="_blank">VoiceOps@voiceops.org</a><o:p></o:p></pre><pre><a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><o:p></o:p></pre></blockquote><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><pre>-- <o:p></o:p></pre><pre>Glen Gerhard<o:p></o:p></pre><pre><a href="mailto:glen@cognexus.net" target="_blank">glen@cognexus.net</a><o:p></o:p></pre><pre>858.324.4536<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Cognexus, LLC<o:p></o:p></pre><pre>7891 Avenida Kirjah<o:p></o:p></pre><pre>San Diego, CA 92037<o:p></o:p></pre></div><p class=MsoNormal>_______________________________________________<br>VoiceOps mailing list<br><a href="mailto:VoiceOps@voiceops.org" target="_blank">VoiceOps@voiceops.org</a><br><a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><o:p></o:p></p></blockquote></div></div></body></html>