All,
We recently saw fraudulent calls via compromised SIP credentials to Killduff,
IA. Any thoughts on why?
I’m also interested in what everyone is doing today regarding enforcing and
auditing strength of SIP credentials. In our experience compromised devices
leaking credentials are more of
Arbitrage scam, that's still one of those local monopolies most likely.
On Fri, Dec 13, 2019 at 9:51 AM Dave Sill wrote:
> All,
>
> We recently saw fraudulent calls via compromised SIP credentials to
> Killduff, IA. Any thoughts on why?
>
> I’m also interested in what everyone is doing today r
In article
you write:
>Arbitrage scam, that's still one of those local monopolies most likely.
Killduff Telephone has one switch with two prefixes so, yeah, termination
arbitrage.
R's,
John
>
>
>On Fri, Dec 13, 2019 at 9:51 AM Dave Sill wrote:
>
>> All,
>>
>> We recently saw fraudulent call
A crude analysis of wholesale termination decks for +1 641-741[1] reveals prices
in the range of $0.019/min to $0.22/min, so yeah, termination arbitrage.
[1] https://www.localcallingguide.com/lprefix.php?exch=039920
On Fri, Dec 13, 2019 at 12:49:01PM -0500, John Levine wrote:
> In article
> yo
In article <20191213175459.GD1788@tlaquepaque.localdomain> you write:
>A crude analysis of wholesale termination decks for +1 641-741[1] reveals
>prices
>in the range of $0.019/min to $0.22/min, so yeah, termination arbitrage.
>> In article
>> you
>> write:
>> >Arbitrage scam, that's still one
On Fri, Dec 13, 2019 at 01:47:38PM -0500, John Levine wrote:
> Does that mean that someone in Killduff is in on the scam, or do they
> do routing tricks so the calls don't actually go there?
Someone in Killduff is in on the scam, but perhaps with a level of
plausible deniability inherent to reven
What's the famous line?
"Follow the money"
-Original Message-
From: VoiceOps On Behalf Of John Levine
Sent: Friday, December 13, 2019 1:48 PM
To: voiceops@voiceops.org
Subject: Re: [VoiceOps] SIP Credential Strength / Domestic Fraud
In article <20191213175459.GD1788@tlaquepaque.localdom
Well, traditional end-office access charges are mostly not a thing anymore, so
it has got a bit complicated to follow the money. An intermediate tandem of
sorts used by the good country people’s salt-of-earth RLECs is sometimes
involved, which is expressly what 19-94 targets.
—
Sent from mobil
