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<p class="MsoNormal">I’m wondering how this is all going work once shaken/stir are fully implemented. Are we going to have to prove we own numbers to other carriers? I’m sure many of us have DIDs outpulsed of alternative circuits at times.<o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> cisco-voip <cisco-voip-bounces@puck.nether.net>
<b>On Behalf Of </b>Ryan Huff<br>
<b>Sent:</b> Friday, April 3, 2020 1:52 PM<br>
<b>To:</b> JASON BURWELL <JASON.BURWELL@foundersfcu.com><br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] [EXTERNAL] Re: PSTN Calls Incorrectly Flagged as "Potential SPAM"<o:p></o:p></p>
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<p class="MsoNormal" style="line-height:12.0pt;background:#FFEB9C"><span style="font-size:10.0pt;color:#9C6500">[EXTERNAL]</span><span style="font-size:10.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">You need to become a thorn in the side of the AM for your upstream carrier. It’s a carrier -2- carrier fight at that point.<o:p></o:p></p>
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<p class="MsoNormal">Sent from my iPhone<o:p></o:p></p>
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<p class="MsoNormal"><br>
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<p class="MsoNormal" style="margin-bottom:12.0pt">On Apr 3, 2020, at 13:49, JASON BURWELL <<a href="mailto:JASON.BURWELL@foundersfcu.com">JASON.BURWELL@foundersfcu.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Thanks for all the replies thus far. To answer a couple of the questions that have come up, we are using valid, working DID numbers that we own for all outbound Calling Number Masks. And none of the DIDs forward to other carriers, they
are all pointed from the PSTN to our various gateways.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">One thing that was mentioned is that a SPAM autodialer bot has at some point spoofed some of our numbers causing them to be flagged as SPAM which is certainly a possibility and nothing we can do about that. I regularly get calls even on
my cell phone with the whole “hey I missed a call form you” from the caller and they get irritated when I tell them, sorry I did not call you.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I know there is nothing we can do from a configuration perspective. I was just hoping there was some managed whitelist these carriers used that I was unaware of. I know there are various 3<sup>rd</sup> party apps that do this but its definitely
something being done at the carrier level as well because I frequently get these messages as well on a Verizon phone and I do not have and SPAM apps or subscriptions.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">As more and more numbers are spoofed for SPAM calls I imagine at some point all numbers will be flagged at potential SPAM at this rate.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">So unless I missed something, it sounds like there is really nothing we can do about it?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Jason<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> Ryan Huff <<a href="mailto:ryanhuff@outlook.com">ryanhuff@outlook.com</a>>
<br>
<b>Sent:</b> Friday, April 3, 2020 12:30 PM<br>
<b>To:</b> JASON BURWELL <<a href="mailto:JASON.BURWELL@foundersfcu.com">JASON.BURWELL@foundersfcu.com</a>><br>
<b>Cc:</b> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> [EXTERNAL] Re: [cisco-voip] PSTN Calls Incorrectly Flagged as "Potential SPAM"<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal" style="background:yellow"><b><span style="font-size:10.0pt;font-family:"Courier New";color:black">CAUTION: This email originated outside of Founders Federal Credit Union. Do not click links or open attachments unless you recognize the sender
and know the content is safe.</span></b><o:p></o:p></p>
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<p class="MsoNormal">I’ve seen this happen on my Verizon cell recently. Was very surprised, it was the first time I had ever seen it.
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">CNAME dips and presentation are done by the called party’s carrier, so there isn’t anything (functionally) the calling party’s PBX can do to influence that. CNAME inserts are done by your upstream carrier, so if something has actually been
modified in the CNAME database for your ANI, your upstream carrier would have done it.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">The only real actionable thing I think you can do (besides changing your ANI to something else), is what you’ve done. Call your upstream carrier and give them call samples where your call was delivered by the
called party’s carrier and masked with incorrect ANI. Let the carriers fight each other on the carrier level.<o:p></o:p></p>
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<p class="MsoNormal">Sent from my iPhone<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">On Apr 3, 2020, at 12:13, JASON BURWELL via cisco-voip <<a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">More and more I have users reporting that their outbound PSTN calls are showing as “Potential SPAM” on called party phones. Its causing some real problems because these are legitimate calls that the customer in many cases has requested
but they are ignoring it due to the message and if they don’t have voicemail set up or its full they have the perception we are not returning calls. I’m assuming the Caller ID name in the national Database is being substituted with this message by the wireless
carriers. We don’t do any telemarketing so there is no reason why our calls should be flagged with SPAM. I’ve reached out and received little help from Verizon or AT&T. Wondering what other are doing to get numbers “white listed” as I’m sure I’m not the only
one facing this. Thanks Jason<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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