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There is an entry for 732040A.. OCN refers back to Verizon of Jew Jersey. The Rate Center is all X's, so it's a special code of some kind.. cant be assinged to an originating number, I dont believe.</div>
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<span style="font-size:10pt"><font face="Calibri" style=""><b>Jamie M.</b></font></span></p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> VoiceOps <voiceops-bounces@voiceops.org> on behalf of voiceops-request@voiceops.org <voiceops-request@voiceops.org><br>
<b>Sent:</b> Wednesday, May 26, 2021 4:12 PM<br>
<b>To:</b> voiceops@voiceops.org <voiceops@voiceops.org><br>
<b>Subject:</b> [EXTERNAL] VoiceOps Digest, Vol 140, Issue 3</font>
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<div class="PlainText">Send VoiceOps mailing list submissions to<br>
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Today's Topics:<br>
<br>
1. LRN and valid values (Peter Beckman)<br>
2. Re: LRN and valid values (Alex Balashov)<br>
3. Re: LRN and valid values (Paul Timmins)<br>
4. Robocall mitigation SCAM! (Mary Lou Carey)<br>
5. Re: Robocall mitigation SCAM! (Mark Lindsey)<br>
6. Re: Robocall mitigation SCAM! (Matthew Yaklin)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Tue, 25 May 2021 22:47:24 -0400<br>
From: Peter Beckman <beckman@angryox.com><br>
To: VoiceOps <voiceops@voiceops.org><br>
Subject: [VoiceOps] LRN and valid values<br>
Message-ID: <alpine.BSF.2.20.2105252244540.46257@nog2.angryox.com><br>
Content-Type: text/plain; format=flowed; charset=US-ASCII<br>
<br>
Carrier A provided us a US NPANXX Rate Deck that had some values in it that<br>
were not valid, such as 732040.<br>
<br>
When asked about it, they claim that Access Tandem Codes are valid LRN<br>
values for operator services calls.<br>
<br>
Carrier B provides an API for us to query to get the LRN for a termination<br>
number, so we can rate it properly and implement our own LCR. Carrier B<br>
says LRNs will always be valid NPANXX values, and 732040 and similar would<br>
never be returned.<br>
<br>
I don't have access to the LERG, and frankly, even if I did, I'm not sure<br>
where I'd look to see who wins the conflict.<br>
<br>
Any suggestions?<br>
<br>
Beckman<br>
---------------------------------------------------------------------------<br>
Peter Beckman Internet Guy<br>
beckman@angryox.com <a href="https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.angryox.com%2F&data=04%7C01%7Cjamie.montgomery%40comporium.com%7C534982314cb34db4c82908d92082d6ed%7C4c52dc5e4ed54645a209ed3c32f5ec3c%7C0%7C0%7C637576712042937226%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=zKJMJFMTepkCz8OVP30617%2FObvN9p7v%2BCZ0ZKaLa0oc%3D&reserved=0">
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---------------------------------------------------------------------------<br>
<br>
<br>
------------------------------<br>
<br>
Message: 2<br>
Date: Wed, 26 May 2021 00:02:51 -0400<br>
From: Alex Balashov <abalashov@evaristesys.com><br>
To: VoiceOps <voiceops@voiceops.org><br>
Subject: Re: [VoiceOps] LRN and valid values<br>
Message-ID: <0D4FB8A5-31EB-42C3-82BB-E76A88E4B820@evaristesys.com><br>
Content-Type: text/plain; charset=utf-8<br>
<br>
Where does this conflict emerge in practice? Do customers call numbers in this exchange? Do you get billed for calls (less any LRN dip fees) to this exchange even though none of your wholesale termination vendors can route it?<br>
<br>
?<br>
Sent from mobile, with due apologies for brevity and errors.<br>
<br>
> On May 25, 2021, at 10:48 PM, Peter Beckman <beckman@angryox.com> wrote:<br>
> <br>
> ?Carrier A provided us a US NPANXX Rate Deck that had some values in it that<br>
> were not valid, such as 732040.<br>
> <br>
> When asked about it, they claim that Access Tandem Codes are valid LRN<br>
> values for operator services calls.<br>
> <br>
> Carrier B provides an API for us to query to get the LRN for a termination<br>
> number, so we can rate it properly and implement our own LCR. Carrier B<br>
> says LRNs will always be valid NPANXX values, and 732040 and similar would<br>
> never be returned.<br>
> <br>
> I don't have access to the LERG, and frankly, even if I did, I'm not sure<br>
> where I'd look to see who wins the conflict.<br>
> <br>
> Any suggestions?<br>
> <br>
> Beckman<br>
> ---------------------------------------------------------------------------<br>
> Peter Beckman Internet Guy<br>
> beckman@angryox.com <a href="https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.angryox.com%2F&data=04%7C01%7Cjamie.montgomery%40comporium.com%7C534982314cb34db4c82908d92082d6ed%7C4c52dc5e4ed54645a209ed3c32f5ec3c%7C0%7C0%7C637576712042937226%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=zKJMJFMTepkCz8OVP30617%2FObvN9p7v%2BCZ0ZKaLa0oc%3D&reserved=0">
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> ---------------------------------------------------------------------------<br>
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> VoiceOps mailing list<br>
> VoiceOps@voiceops.org<br>
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<br>
<br>
------------------------------<br>
<br>
Message: 3<br>
Date: Wed, 26 May 2021 04:54:19 +0000<br>
From: Paul Timmins <ptimmins@clearrate.com><br>
To: Peter Beckman <beckman@angryox.com><br>
Cc: VoiceOps <voiceops@voiceops.org><br>
Subject: Re: [VoiceOps] LRN and valid values<br>
Message-ID: <8EB46E7D-53C6-4675-BDCC-DD3D7511E989@clearrate.com><br>
Content-Type: text/plain; charset="us-ascii"<br>
<br>
How are you even getting operator assisted calls onto your network to begin with? Do you have an operator service you still pay for?<br>
<br>
> On May 25, 2021, at 10:47 PM, Peter Beckman <beckman@angryox.com> wrote:<br>
> <br>
> Carrier A provided us a US NPANXX Rate Deck that had some values in it that<br>
> were not valid, such as 732040.<br>
> <br>
> When asked about it, they claim that Access Tandem Codes are valid LRN<br>
> values for operator services calls.<br>
> <br>
> Carrier B provides an API for us to query to get the LRN for a termination<br>
> number, so we can rate it properly and implement our own LCR. Carrier B<br>
> says LRNs will always be valid NPANXX values, and 732040 and similar would<br>
> never be returned.<br>
> <br>
> I don't have access to the LERG, and frankly, even if I did, I'm not sure<br>
> where I'd look to see who wins the conflict.<br>
> <br>
> Any suggestions?<br>
> <br>
> Beckman<br>
> ---------------------------------------------------------------------------<br>
> Peter Beckman Internet Guy<br>
> beckman@angryox.com <a href="https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.angryox.com%2F&data=04%7C01%7Cjamie.montgomery%40comporium.com%7C534982314cb34db4c82908d92082d6ed%7C4c52dc5e4ed54645a209ed3c32f5ec3c%7C0%7C0%7C637576712042937226%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=zKJMJFMTepkCz8OVP30617%2FObvN9p7v%2BCZ0ZKaLa0oc%3D&reserved=0">
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> ---------------------------------------------------------------------------<br>
> _______________________________________________<br>
> VoiceOps mailing list<br>
> VoiceOps@voiceops.org<br>
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<br>
<br>
<br>
------------------------------<br>
<br>
Message: 4<br>
Date: Wed, 26 May 2021 14:38:53 -0500<br>
From: Mary Lou Carey <marylou@backuptelecom.com><br>
To: voiceops@voiceops.org<br>
Subject: [VoiceOps] Robocall mitigation SCAM!<br>
Message-ID: <978d2c6b8d26de81c4686156b823f5b3@backuptelecom.com><br>
Content-Type: text/plain; charset=US-ASCII; format=flowed<br>
<br>
I just heard through the grapevine that several companies have been shut <br>
down and/or threatened with the confiscation of their equipment for <br>
passing Robocall traffic. The companies that this happened to all <br>
claimed someone contacted them and told them to keep the TN/traffic up <br>
so they could help catch the offenders. Unfortunately, whoever is <br>
advising carriers to keep the traffic up is not on the up and up. The <br>
ITG and large carriers came in and shut them down because they continued <br>
to pass traffic that was identified as robocalls.<br>
<br>
If someone contacts your company about a trace back and advises you to <br>
keep the TNs / traffic up, DO NOT LEAVE IT UP! Document everything and <br>
turn down the Robocall traffic as soon as possible! Then send both the <br>
ITG and large carrier involved the account number and CDRs for the calls <br>
in question.<br>
<br>
Be safe out there.....it's getting crazy!<br>
<br>
MARY LOU CAREY<br>
BackUP Telecom Consulting<br>
Office: 615-791-9969<br>
Cell: 615-796-1111<br>
<br>
<br>
------------------------------<br>
<br>
Message: 5<br>
Date: Wed, 26 May 2021 15:50:58 -0400<br>
From: Mark Lindsey <lindsey@e-c-group.com><br>
To: Mary Lou Carey <marylou@backuptelecom.com><br>
Cc: voiceops@voiceops.org<br>
Subject: Re: [VoiceOps] Robocall mitigation SCAM!<br>
Message-ID: <CBAAC14A-7815-4D2C-ADEA-64946F8F52C7@e-c-group.com><br>
Content-Type: text/plain; charset="us-ascii"<br>
<br>
Good tips, Mary Lou! <br>
<br>
Do you think there's potentially any good intentions behind the advice to leave the traffic up?<br>
<br>
In the cybersecurity space, authorities will say that if your network has been compromised, you shouldn't immediately shutdown the hacked systems. For example, just this past September, this Joint Cybersecurity Advisory (AA20-245A) from the US and a few other
governments...<br>
<a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fus-cert.cisa.gov%2Fsites%2Fdefault%2Ffiles%2Fpublications%2FAA20-245A-Joint_CSA-Technical_Approaches_to_Uncovering_Malicious_Activity_508.pdf&data=04%7C01%7Cjamie.montgomery%40comporium.com%7C534982314cb34db4c82908d92082d6ed%7C4c52dc5e4ed54645a209ed3c32f5ec3c%7C0%7C0%7C637576712042937226%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=n6VzViYE4ouyJZYHMSIBb05HSZMTDh3MlXOvDMvE8Bc%3D&reserved=0">https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fus-cert.cisa.gov%2Fsites%2Fdefault%2Ffiles%2Fpublications%2FAA20-245A-Joint_CSA-Technical_Approaches_to_Uncovering_Malicious_Activity_508.pdf&data=04%7C01%7Cjamie.montgomery%40comporium.com%7C534982314cb34db4c82908d92082d6ed%7C4c52dc5e4ed54645a209ed3c32f5ec3c%7C0%7C0%7C637576712042937226%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=n6VzViYE4ouyJZYHMSIBb05HSZMTDh3MlXOvDMvE8Bc%3D&reserved=0</a><br>
<br>
Under actions to avoid: <br>
"Mitigating the affected systems before responders can protect and recover data <br>
- This can cause the loss of volatile data such as memory and other host-based artifacts.<br>
- The adversary may notice and change their tactics, techniques, and procedures."<br>
<br>
<br>
<br>
Mark R Lindsey, SMTS | +1-229-316-0013 | mark@ecg.co | <a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fecg.co%2Flindsey%2F&data=04%7C01%7Cjamie.montgomery%40comporium.com%7C534982314cb34db4c82908d92082d6ed%7C4c52dc5e4ed54645a209ed3c32f5ec3c%7C0%7C0%7C637576712042937226%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=5wUL1A4Zw%2B7szpNCYBIzdSCFAFqJayz9R3dKgSYC1gM%3D&reserved=0">
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<br>
<br>
<br>
<br>
<br>
<br>
> On May 26, 2021, at 3:38 PM, Mary Lou Carey <marylou@backuptelecom.com> wrote:<br>
> <br>
> I just heard through the grapevine that several companies have been shut down and/or threatened with the confiscation of their equipment for passing Robocall traffic. The companies that this happened to all claimed someone contacted them and told them to
keep the TN/traffic up so they could help catch the offenders. Unfortunately, whoever is advising carriers to keep the traffic up is not on the up and up. The ITG and large carriers came in and shut them down because they continued to pass traffic that was
identified as robocalls.<br>
> <br>
> If someone contacts your company about a trace back and advises you to keep the TNs / traffic up, DO NOT LEAVE IT UP! Document everything and turn down the Robocall traffic as soon as possible! Then send both the ITG and large carrier involved the account
number and CDRs for the calls in question.<br>
> <br>
> Be safe out there.....it's getting crazy!<br>
> <br>
> MARY LOU CAREY<br>
> BackUP Telecom Consulting<br>
> Office: 615-791-9969<br>
> Cell: 615-796-1111<br>
> _______________________________________________<br>
> VoiceOps mailing list<br>
> VoiceOps@voiceops.org<br>
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Message: 6<br>
Date: Wed, 26 May 2021 20:12:26 +0000<br>
From: Matthew Yaklin <myaklin@firstlight.net><br>
To: Mary Lou Carey <marylou@backuptelecom.com>,<br>
"voiceops@voiceops.org" <voiceops@voiceops.org><br>
Subject: Re: [VoiceOps] Robocall mitigation SCAM!<br>
Message-ID:<br>
<CH0PR16MB4417015F378C948E0B65AF60DA249@CH0PR16MB4417.namprd16.prod.outlook.com><br>
<br>
Content-Type: text/plain; charset="us-ascii"<br>
<br>
Mary Lou,<br>
<br>
Are you referring to the super sketchy voip providers who list a US address but in reality are based overseas?<br>
Like the ones where you google search the US street address on their website using maps and find out it is just a run down apartment building?<br>
<br>
Or are you talking about more respectable outfits?<br>
<br>
Matt<br>
<br>
-----Original Message-----<br>
From: VoiceOps <voiceops-bounces@voiceops.org> On Behalf Of Mary Lou Carey<br>
Sent: Wednesday, May 26, 2021 3:39 PM<br>
To: voiceops@voiceops.org<br>
Subject: [VoiceOps] Robocall mitigation SCAM!<br>
<br>
I just heard through the grapevine that several companies have been shut down and/or threatened with the confiscation of their equipment for passing Robocall traffic. The companies that this happened to all claimed someone contacted them and told them to keep
the TN/traffic up so they could help catch the offenders. Unfortunately, whoever is advising carriers to keep the traffic up is not on the up and up. The ITG and large carriers came in and shut them down because they continued to pass traffic that was identified
as robocalls.<br>
<br>
If someone contacts your company about a trace back and advises you to keep the TNs / traffic up, DO NOT LEAVE IT UP! Document everything and turn down the Robocall traffic as soon as possible! Then send both the ITG and large carrier involved the account number
and CDRs for the calls in question.<br>
<br>
Be safe out there.....it's getting crazy!<br>
<br>
MARY LOU CAREY<br>
BackUP Telecom Consulting<br>
Office: 615-791-9969<br>
Cell: 615-796-1111<br>
_______________________________________________<br>
VoiceOps mailing list<br>
VoiceOps@voiceops.org<br>
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End of VoiceOps Digest, Vol 140, Issue 3<br>
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