May 29, 2019
3:43 p.m.
we got hit with many 100k's from a few users. its a really expensive npa nxx. free conf call type of service. On Wed, May 29, 2019 at 3:51 PM Paul Timmins <paul at timmins.net> wrote:
Is anyone else seeing lots of long duration calls to the 605-562 exchange that when you dial the respective number, it supervises to dead air?
Seems like a new kind of toll fraud that international fraud detection systems won't catch.
-Paul
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