[VoiceOps] Strange inbound Calls

[Erik Flournoy]

You could block the numbers at sms800 level or block them at your switch
translations.

Erik

On Wed, Oct 2, 2013 at 8:36 AM, Matt Yaklin <myaklin at g4.net> wrote:

>
> I randomly choose a few numbers to check our CDR data and
> I see that 2564002365 called a customer of ours normal TN
> and one customer's toll free number.
>
>
>  9/27/2013 20:12:43,"ALBERTVILLE AL" <2564002365>,2564002365,**
>> 8553577333,60,60,ANSWERED,**Incoming
>>
>
> When I call the number 2564002365 it answers and immediately hangs up on
> me. It reminds me of an asterisk like thing where I have made a mistake in
> my config but this is intentional?
>
> Randomly checking a few numbers they seem to belong to Level3 if they have
> not ported.
>
> Call them up and complain? Maybe in some wierd bizzaro world they might
> actually do something about it.
>
> matt at g4.net
>
>
> On Wed, 2 Oct 2013, Nick Olsen wrote:
>
>  Hello Everyone,
>> We've been seeing a lot of strange inbound calls to our toll free numbers
>> recently. The only thing they have in common is the caller ID text is
>> always a city and a state. And the the call duration is 60 seconds on the
>> dot..Every
>> time.
>>
>> Considering they are calling toll free numbers I assume this is some kind
>> of fraud attempt. IE. Calling tons of random Toll Free numbers so the
>> terminating carrier pays the originator..etc.
>>
>> Anyone else seeing this? Anything we can do to stop these? Here's what
>> our CDR looks like, These are just the calls to our Corp Toll free. But we
>> are seeing them toward customer toll free as well.
>>
>> 9/1/2013 13:39:02,"CARLSBAD CA" <4423334358>,4423334358,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/1/2013 16:20:30,"WEST BLOCTON AL" <2056368142>,2056368142,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/6/2013 07:18:18,"HUNTNGTN PRK CA" <3232825216>,3232825216,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/7/2013 11:54:09,"FORT SMITH AR" <4796682810>,4796682810,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/7/2013 23:14:35,"TUCSON AZ" <5203326555>,5203326555,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/9/2013 19:06:00,"WARRIOR AL" <2052891452>,2052891452,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/9/2013 20:23:49,"SAN RAFAEL CA" <4155240522>,4155240522,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/25/2013 17:01:09,"FRESNO CA" <5595499612>,5595499612,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/25/2013 22:41:29,"MOBILE AL" <2515454388>,2515454388,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/26/2013 00:01:35,"PINSON AL" <2056834147>,2056834147,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/26/2013 03:13:53,"PHENIX CITY AL" <3344685267>,3344685267,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/26/2013 22:38:21,"GUNTERSVILLE AL" <2562934038>,2562934038,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/27/2013 11:29:58,"MIAMI AZ" <9284731203>,9284731203,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/27/2013 20:12:43,"ALBERTVILLE AL" <2564002365>,2564002365,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/30/2013 02:07:15,"HUNTSVILLE AL" <2562174709>,2562174709,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 9/30/2013 06:55:16,"CHASE CITY VA" <4345334010>,4345334010,**
>> 8553577333,60,60,ANSWERED,**Incoming
>> 10/2/2013 02:23:12,"LOS ANGELES CA" <2134555680>,2134555680,**
>> 8553577333,60,60,ANSWERED,**Incoming
>>
>> Nick Olsen
>> Network Operations (855) FLSPEED  x106
>>
>> [emaillogo.jpg]
>>
>>
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