<div dir="ltr">we got hit with many 100k's from a few users. its a really expensive npa nxx. free conf call type of service. <div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 29, 2019 at 3:51 PM Paul Timmins <<a href="mailto:paul@timmins.net" target="_blank">paul@timmins.net</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">Is anyone else seeing lots of long duration calls to the 605-562 <br>
exchange that when you dial the respective number, it supervises to dead <br>
air?<br>
<br>
Seems like a new kind of toll fraud that international fraud detection <br>
systems won't catch.<br>
<br>
-Paul<br>
<br>
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