<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt'>Dear SIP Forum Members:<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt'>The SIP Forum <span style='color:black'>has announced that the recordings of the sessions from the <b>2021 STIR/SHAKEN VIRTUAL SUMMIT</b> - a special webinar series focused on the challenges and opportunities related to the deployment of the STIR/SHAKEN Call Authentication Framework - are now available for on-demand viewing - at no charge. <o:p></o:p></span></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'>Those who missed the live, virtual event can now visit the <a href="https://www.sipforum.org/2021-stir-shaken-virtual-summit/schedule/">2021 STIR/SHAKEN VIRTUAL SUMMIT agenda webpage</a> to register for and immediately view recordings of the webinar series. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:black'>The <b>2021 <strong><span style='font-family:"Calibri","sans-serif"'>STIR/SHAKEN VIRTUAL SUMMIT</span></strong></b> featured a series of webinars that focus on issues critical to the reliable and successful deployment and operation of STIR/SHAKEN in today's IP-based network environments, as well as associated topics including International considerations, discussion of the ramifications of governmental regulatory, legislative and enforcement actions, and much more.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Developed jointly by the SIP Forum and ATIS (the Alliance for Telecommunications Industry Solutions) to efficiently implement the Internet Engineering Task Force’s (IETF) STIR (for Secure Telephony Identity Revisited) standard, <a href="https://www.sipforum.org/activities/nni-task-force-introduction/">SHAKEN</a> (for Signature-based Handling of Asserted information using toKENs) defines a mechanism to verify the calling number and specifies how it will be transported across communications networks. <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt'>Together, STIR/SHAKEN offers a practical mechanism to provide verified information about the calling party as well as the origin of the call — what is known as “attestation” — for the first time in the network. Giving service providers the tools needed to sign and verify calling numbers makes it possible for businesses and consumers to know, before answering, that the calls they receive are from legitimate parties. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>A number of leading companies supported the <b>2021 STIR/SHAKEN VIRTUAL SUMMIT</b> through their generous support as event sponsors, including Diamond Sponsors <a href="https://firstorion.com/">First Orion</a>, <a href="https://iconectiv.com/">iconectiv</a>, and <a href="http://www.stirshaken.neustar/">Neustar</a>; Platinum Sponsors <a href="https://ribboncommunications.com/products/service-provider-products/cloud-and-edge/identity-assurance">Ribbon Communications</a>; Gold Sponsors <a href="https://www.att.com/">AT&T</a>, <a href="https://www.hiya.com/">Hiya</a>, <a href="https://www.metaswitch.com/">Metaswitch</a>, <a href="https://www.numeracle.com/">Numeracle</a>, <a href="https://www.somos.com/our-solutions/authentication-enablement-solutions">Somos</a>, and <a href="https://www.transnexus.com/">TransNexus</a>, Silver Sponsors <a href="https://www.redcom.com/capabilities/personalized-call-screening/">REDCOM</a> and <a href="https://telnyx.com/">Telnyx</a>; and Association Sponsors <a href="http://www.cloudcommunications.com/">Cloud Communications Alliance (CCA)</a>, <a href="https://commscouncil.uk/">Comms Council UK</a>, <a href="https://www.ctia.org/">CTIA</a>, <a href="https://www.ntca.org/">NTCA – The Rural Broadband Association</a>, and <a href="https://www.ustelecom.org/">USTelecom</a>.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>All best,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Marc<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>*************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Marc Robins<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>President and Managing Director<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>SIPNOC and STIR/SHAKEN SUMMIT Program Chair<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Director, SIPconnect Certification Testing Program<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>SIP Forum LLC<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><a href="https://www.sipforum.org/"><span style='color:windowtext'>https://www.sipforum.org</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Mobile: +1-203-829-6307<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>SkypeMe! marcrobins<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p></div></body></html>