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    <div class="moz-cite-prefix">On 10/4/22 11:58 AM, Tom Beecher wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAL9Qcx5GZbgVdExwO3BJ191JJXUHsL9f4-KyGnBR9UCQk5YBnw@mail.gmail.com">
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        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> Honestly
          the root of a lot of the problems here is the bellheaded
          insistence of still using E.164 addresses in the first place.
          With SIP they are complete legacy and there is no reason that
          my "telephone number" can't be <a href="mailto:mike@mtcc.com"
            target="_blank" moz-do-not-send="true"
            class="moz-txt-link-freetext">mike@mtcc.com</a>.<br>
        </blockquote>
        <div><br>
        </div>
        <div>You can do that all you want. You just don't get to
          interact with the PSTN.</div>
      </div>
    </blockquote>
    <p>What is the "PSTN" these days? It's a bunch of interconnected SIP
      proxies where there is nothing special about the identifiers used.
      With end to end SIP (or middle to middle, etc), the routing is not
      being done with e.164 addresses like in the legacy PSTN. It's just
      bellheaded thinking that e.164 addresses mean anything these
      days.The only time they make any difference is if they need to off
      ramp to legacy signaling which is becoming rarer and rarer. <br>
    </p>
    <p>Mike<br>
    </p>
    <p><br>
    </p>
    <blockquote type="cite"
cite="mid:CAL9Qcx5GZbgVdExwO3BJ191JJXUHsL9f4-KyGnBR9UCQk5YBnw@mail.gmail.com"><br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Tue, Oct 4, 2022 at 2:53 PM
          Michael Thomas <<a href="mailto:mike@mtcc.com"
            moz-do-not-send="true" class="moz-txt-link-freetext">mike@mtcc.com</a>>
          wrote:<br>
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          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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            <p><br>
            </p>
            <div>On 10/4/22 11:31 AM, Mike Hammett wrote:<br>
            </div>
            <blockquote type="cite">
              <div
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:rgb(0,0,0)">What's
                regulated or implemented is rarely the best course of
                action. Does this cause more good or harm?<br>
              </div>
            </blockquote>
            <p><br>
            </p>
            <p>Honestly the root of a lot of the problems here is the
              bellheaded insistence of still using E.164 addresses in
              the first place. With SIP they are complete legacy and
              there is no reason that my "telephone number" can't be <a
                href="mailto:mike@mtcc.com" target="_blank"
                moz-do-not-send="true" class="moz-txt-link-freetext">mike@mtcc.com</a>.
              In fact, that would be a huge win since I could just use
              my email address book to make a call. You could tell that
              STIR/SHAKEN really went off the rails when it has
              heuristics on how to scrape E.164 addresses in the From:
              field. At this point we should be mostly ignoring legacy
              signaling, IMO. <br>
            </p>
            <p><br>
            </p>
            <p>Mike<br>
            </p>
            <blockquote type="cite">
              <div
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:rgb(0,0,0)"><br>
                <div><span name="x"></span><br>
                  <br>
                  -----<br>
                  Mike Hammett<br>
                  Intelligent Computing Solutions<br>
                  <a href="http://www.ics-il.com" target="_blank"
                    moz-do-not-send="true" class="moz-txt-link-freetext">http://www.ics-il.com</a><br>
                  <br>
                  Midwest-IX<br>
                  <a href="http://www.midwest-ix.com" target="_blank"
                    moz-do-not-send="true" class="moz-txt-link-freetext">http://www.midwest-ix.com</a><span
                    name="x"></span><br>
                </div>
                <br>
                <hr id="m_6608532766720541478zwchr">
                <div
style="color:rgb(0,0,0);font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt"><b>From:
                  </b>"Shane Ronan" <a
                    href="mailto:shane@ronan-online.com" target="_blank"
                    moz-do-not-send="true"><shane@ronan-online.com></a><br>
                  <b>To: </b>"Michael Thomas" <a
                    href="mailto:mike@mtcc.com" target="_blank"
                    moz-do-not-send="true"><mike@mtcc.com></a><br>
                  <b>Cc: </b>"Mike Hammett" <a
                    href="mailto:nanog@ics-il.net" target="_blank"
                    moz-do-not-send="true"><nanog@ics-il.net></a>,
                  <a href="mailto:nanog@nanog.org" target="_blank"
                    moz-do-not-send="true" class="moz-txt-link-freetext">nanog@nanog.org</a><br>
                  <b>Sent: </b>Tuesday, October 4, 2022 1:21:41 PM<br>
                  <b>Subject: </b>Re: FCC chairwoman: Fines alone
                  aren't enough (Robocalls)<br>
                  <br>
                  <div dir="ltr">Except the cost to do the data dips to
                    determine the authorization isn't "free".</div>
                  <br>
                  <div class="gmail_quote">
                    <div dir="ltr" class="gmail_attr">On Tue, Oct 4,
                      2022 at 2:18 PM Michael Thomas <<a
                        href="mailto:mike@mtcc.com" target="_blank"
                        moz-do-not-send="true"
                        class="moz-txt-link-freetext">mike@mtcc.com</a>>
                      wrote:<br>
                    </div>
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                      0px 0px 0.8ex;border-left:1px solid
                      rgb(204,204,204);padding-left:1ex">
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                        <p><br>
                        </p>
                        <div>On 10/4/22 6:07 AM, Mike Hammett wrote:<br>
                        </div>
                        <blockquote>
                          <div
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:rgb(0,0,0)">I
                            think the point the other Mike was trying to
                            make was that if everyone policed their
                            customers, this wouldn't be a problem. Since
                            some don't, something else needed to be
                            tried.<br>
                            <br>
                            <div><span></span><br>
                            </div>
                          </div>
                        </blockquote>
                        <p>Exactly. And that doesn't require an
                          elaborate PKI. Who is allowed to use what
                          telephone numbers is an administrative issue
                          for the ingress provider to police. It's the
                          equivalent to gmail not allowing me to spoof
                          whatever email address I want. The FCC could
                          have required that ages ago.<br>
                        </p>
                        <p><br>
                        </p>
                        <p>Mike<br>
                        </p>
                        <blockquote>
                          <div
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:rgb(0,0,0)">
                            <div><br>
                              -----<br>
                              Mike Hammett<br>
                              Intelligent Computing Solutions<br>
                              <a href="http://www.ics-il.com"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">http://www.ics-il.com</a><br>
                              <br>
                              Midwest-IX<br>
                              <a href="http://www.midwest-ix.com"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">http://www.midwest-ix.com</a><span></span><br>
                            </div>
                            <br>
                            <hr
                              id="m_6608532766720541478m_5695148775473131614zwchr">
                            <div
style="color:rgb(0,0,0);font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt"><b>From:
                              </b>"Shane Ronan" <a
                                href="mailto:shane@ronan-online.com"
                                target="_blank" moz-do-not-send="true"><shane@ronan-online.com></a><br>
                              <b>To: </b>"Michael Thomas" <a
                                href="mailto:mike@mtcc.com"
                                target="_blank" moz-do-not-send="true"><mike@mtcc.com></a><br>
                              <b>Cc: </b><a
                                href="mailto:nanog@nanog.org"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">nanog@nanog.org</a><br>
                              <b>Sent: </b>Monday, October 3, 2022
                              9:54:07 PM<br>
                              <b>Subject: </b>Re: FCC chairwoman: Fines
                              alone aren't enough (Robocalls)<br>
                              <br>
                              <div dir="ltr">The issue isn't which
                                'prefixes' I accept from my customers,
                                but which 'prefixes' I accept from the
                                people I peer with, because it's
                                entirely dynamic and without a doing a
                                database dip on EVERY call, I have to
                                assume that my peer or my peers customer
                                or my peers peer is doing the right
                                thing.
                                <div><br>
                                </div>
                                <div>I can't simply block traffic from a
                                  peer carrier, it's not allowed, so
                                  there has to be some mechanism to mark
                                  that a prefix should be allowed, which
                                  is what Shaken/Stir does.</div>
                                <div><br>
                                </div>
                                <div>Shane</div>
                                <div><br>
                                </div>
                                <div><br>
                                </div>
                              </div>
                              <br>
                              <div class="gmail_quote">
                                <div dir="ltr" class="gmail_attr">On
                                  Mon, Oct 3, 2022 at 7:05 PM Michael
                                  Thomas <<a
                                    href="mailto:mike@mtcc.com"
                                    target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">mike@mtcc.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">The
                                  problem has always been solvable at
                                  the ingress provider. The <br>
                                  problem was that there was zero to
                                  negative incentive to do that. You <br>
                                  don't need an elaborate PKI to tell
                                  the ingress provider which prefixes <br>
                                  customers are allow to assert. It's
                                  pretty analogous to when submission <br>
                                  authentication was pretty nonexistent
                                  with email... there was no <br>
                                  incentive to not be an open relay
                                  sewer. Unlike email spam, SIP <br>
                                  signaling is pretty easy to determine
                                  whether it's spam. All it needed <br>
                                  was somebody to force regulation which
                                  unlike email there was always <br>
                                  jurisdiction with the FCC.<br>
                                  <br>
                                  Mike<br>
                                  <br>
                                  On 10/3/22 3:13 PM, Jawaid Bazyar
                                  wrote:<br>
                                  > We're talking about blocking
                                  other carriers.<br>
                                  ><br>
                                  > On 10/3/22, 3:05 PM, "Michael
                                  Thomas" <<a
                                    href="mailto:mike@mtcc.com"
                                    target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">mike@mtcc.com</a>>
                                  wrote:<br>
                                  ><br>
                                  >      On 10/3/22 1:54 PM, Jawaid
                                  Bazyar wrote:<br>
                                  >      > Because it's illegal
                                  for common carriers to block traffic
                                  otherwise.<br>
                                  ><br>
                                  >      Wait, what? It's illegal to
                                  police their own users?<br>
                                  ><br>
                                  >      Mike<br>
                                  ><br>
                                  >      ><br>
                                  >      > On 10/3/22, 2:53 PM,
                                  "NANOG on behalf of Michael Thomas"
                                  <nanog-bounces+jbazyar=<a
                                    href="mailto:verobroadband.com@nanog.org"
                                    target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">verobroadband.com@nanog.org</a>
                                  on behalf of <a
                                    href="mailto:mike@mtcc.com"
                                    target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">mike@mtcc.com</a>>
                                  wrote:<br>
                                  >      ><br>
                                  >      ><br>
                                  >      >      On 10/3/22 1:34
                                  PM, Sean Donelan wrote:<br>
                                  >      >      > 'Fines alone
                                  aren't enough:' FCC threatens to
                                  blacklist voice<br>
                                  >      >      > providers for
                                  flouting robocall rules<br>
                                  >      >      ><br>
                                  >      >      > <a
                                    href="https://www.cyberscoop.com/fcc-robocall-fine-database-removal/"
                                    rel="noreferrer" target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">https://www.cyberscoop.com/fcc-robocall-fine-database-removal/</a><br>
                                  >      >      ><br>
                                  >      >      > [...]<br>
                                  >      >      > “This is a
                                  new era. If a provider doesn’t meet
                                  its obligations under<br>
                                  >      >      > the law, it
                                  now faces expulsion from America’s
                                  phone networks. Fines<br>
                                  >      >      > alone aren’t
                                  enough,” FCC chairwoman Jessica
                                  Rosenworcel said in a<br>
                                  >      >      > statement
                                  accompanying the announcement.
                                  “Providers that don’t follow<br>
                                  >      >      > our rules and
                                  make it easy to scam consumers will
                                  now face swift<br>
                                  >      >      >
                                  consequences.”<br>
                                  >      >      ><br>
                                  >      >      > It’s the
                                  first such enforcement action by the
                                  agency to reduce the<br>
                                  >      >      > growing
                                  problem of robocalls since call ID
                                  verification protocols<br>
                                  >      >      > known as
                                  “STIR/SHAKEN” went fully into effect
                                  this summer.<br>
                                  >      >      > [...]<br>
                                  >      ><br>
                                  >      >      Why did we need to
                                  wait for STIR/SHAKEN to do this?<br>
                                  >      ><br>
                                  >      >      Mike<br>
                                  >      ><br>
                                  ><br>
                                  ><br>
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