nanog mailing list archives

Re: Chairman Pai Proposes Mandating STIR/SHAKEN To Combat Robocalls


From: Ross Tajvar <ross () tajvar io>
Date: Mon, 9 Mar 2020 21:25:25 -0400

What is an "ebony phone"? (Google results for that phrase are mostly porn.)

On Sat, Mar 7, 2020 at 12:55 PM Christopher Morrow <morrowc.lists () gmail com>
wrote:

On Sat, Mar 7, 2020 at 4:10 AM Bryan Holloway <bryan () shout net> wrote:


On 3/7/20 8:03 AM, Christopher Morrow wrote:
On Fri, Mar 6, 2020 at 11:05 PM Brian J. Murrell <
brian () interlinx bc ca> wrote:

So, if my telco can bill the callers for those premium calls, they
surely know who they are, or at least know where they are sending the
bill and getting payment from.

You are mistaken, billing is very hard.
Telcos show this regularly.


On the contrary: billing is easy. Getting it right is hard.

You are technically correct, the best kind of correct.

Seriously though, a bunch of the conversation about shaken/stir and
various problems with spam callers reveals:
  "telcos don't care (for any reason you can imagine)"
  "gov't mandates aren't  really going to help"
  "people care as recipients of these calls, but really there are
options for them as well to not get the calls (or not answer them)"

I like that Mr Thomas's answer: "Why can't we just cryptpgraphically
sign the caller's ANI and use that as a method to ID real callers we
care about?"
since that was my suggestion to the stir folk in their very first
meeting... "what about ebony phones!" said the lawyer from
telco-ville.


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