MarkG<p><span class="h-card" translate="no"><a href="https://floss.social/@thuhtoosan" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>thuhtoosan</span></a></span> </p><p>Thanks.</p><p>I did a search, and discovered that what I was describing is referred to as "Caller ID Spoofing". It seems there's not a huge amount I can do on my end to prevent it.</p><p><a href="https://crtc.gc.ca/eng/phone/telemarketing/identit.htm" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">crtc.gc.ca/eng/phone/telemarke</span><span class="invisible">ting/identit.htm</span></a></p><p><a href="https://mindly.social/tags/telemarketers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>telemarketers</span></a> <a href="https://mindly.social/tags/scams" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scams</span></a> <a href="https://mindly.social/tags/mobiles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mobiles</span></a> <a href="https://mindly.social/tags/phones" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phones</span></a></p>