nanog mailing list archives

Re: FCC proposes $10 Million fine for spoofed robocalls


From: Andreas Ott <andreas () naund org>
Date: Thu, 19 Dec 2019 09:09:21 -0800

On Thu, Dec 19, 2019 at 11:16:08AM -0500, Christopher Morrow wrote:
How is it envisioned that this will work?

My prediction for 2020: it still won't work, like in 2019 and the years
before that. A call originated, transported and delivered equals revenue
for all involved parties, so it is in their best interest not to block
them, unless the fines are really magnitude(s) higher than the revenue.

I mean, I'm all for less spam calling... and ideally there would be
some form of 'source address verification' on the PSTN/phone
network... but in today's world that really just doesn't exist and the
motivations to suppress fake sources are 'just as good' as they are on
the intertubes. (with crappier options in the gear - SHAKEN/STIR are
really not even available in the majority of the switch 'gear' right?)

When I tried to pay my AT&T uverse VOIP "landline" bill this morning they
offered me a free "CallProtect App" but when I click on more info it's
in fact only a link to open their "control call forwarding and blocking"
part of the home phone features web site.  All their suggested controls
are enabled, still I am receiving only unwanted calls on this line.

In the call and voicemail history list for my number I have at least these 
examples for you to laugh at. Hint: look at the numbers. and I have also
been told that there is no equivalent of uRPF in the phone world.

Name    Number  When    Length  Actions
Suspected Spam  888-194-1242    11-30-19, 10:56 AM      0:00    Add to Address Book

From    Number  When    Size    
NAME NOT FOUND  408-145-1341    08-12-19, 09:14 AM      29 Kb   
NAME NOT FOUND  213-141-5163    05-17-19, 10:22 AM      353 Kb


-andreas


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