OT: Telemarketers

Yolanda Rowe yprowe at gmail.com
Thu May 19 20:00:17 EDT 2016


My favorite landline accessory is CPR Call Blocker. I loved it so much that
I gifted one to my father.

I use Extreme Call Blocker on my cellphone. It's worth purchasing because I
can block texts as well as nuisance calls without having them go to voice
mail.

Yonnie

On Thu, May 19, 2016 at 6:13 PM, Bruce Walker <bruce.walker at gmail.com>
wrote:

> I have a fairly sophisticated anti-telemarketer system running, a
> legacy from my anti-spam days when I was an enthusiast. (I wouldn't
> attempt this project now. I only have to maintain it a couple of times
> a year.)
>
> I'm running Asterisk -- a software PBX -- and I have a SIP device
> connecting my phone line to my house TCP/IP network. When a call
> arrives, Asterisk monitors it and forwards the Caller ID to my script.
> That farms out searches to the net and checks my white and black lists
> for a match. It also checks the published North American dial plan
> lists to see if the number is even legitimately registered to a telco.
> Many are spoofed and are 100% bogus.
>
> If it determines that the caller is a likely telemarketer, it picks up
> the call and plays a pre-recorded "I'm sorry, the number you have
> called is not in service" message to the hapless caller.
>
> I manually maintain the blacklist, but I only have to lookup a caller
> once every few days. The rest are automatically nuked.
>
> After a number of rings it switches into answering-machine mode, and
> takes the call normally.
>
> We're rarely bothered by tele-spammers.
>
>
> On Thu, May 19, 2016 at 5:26 PM, Igor PDML-StR <pdmlstr at komkon.org> wrote:
> >
> > Yep, and "You've got a virus on your computer" is yet another popular
> one.
> > I've had those calling me a couple of times.
> > The last time I asked: on which computer?
> > The guy asked: "How many do you have?"
> > I: 12
> > <hangs up>
> >
> > A more interesting variation of that is described here:
> > http://www.wired.co.uk/news/archive/2013-04/11/malwarebytes
> >
> >
> >
> > Mark pretty much described the situation. "Do not Call" lists help only
> > against honest telemarketers.
> > Besides, "The National Do Not Call Registry does not limit calls by
> > political organizations, charities, or telephone surveyors."
> > (according to that very registry site:
> > https://www.donotcall.gov/faq/faqbusiness.aspx )
> >
> > I've found that some numbers (even those that are spoofed) are repeated.
> > There are some in-line phone attachments (i.e. hardware) that allow you
> to
> > maintain large block-lists.
> > None of them seems to be ideal, but here is what I've found (based on the
> > review analysis) to be a reasonable candidate:
> >
> http://www.amazon.com/telemarketer-screener-programming-accidental-protection/dp/B00E914II6
> >
> > I've just found this one that might deserve taking a look if I'd ever
> decide
> > to buy one:
> >
> http://www.amazon.com/telemarketer-screener-programming-accidental-protection/dp/B00E914II6
> >
> http://www.amazon.com/Tel-Sentry-V2-0-Automatic-Blocking-Election/dp/B00U1PPWDO
> >
> > I am surprised why none of the phone makers has a large enough block
> list.
> > (My Panasonic's list has only 20 or 25 numbers. Gee!)
> >
> > Igor
> >
> >
> >
> > Doug Brewer Thu, 19 May 2016 13:14:48 -0700 wrote:
> >
> > Scammer: The factory warranty on your car has run out.
> >
> > Me: Really? That's tragic. Which car?
> >
> > Scammer: Pardon?
> >
> > Me: Which car lost its factory warranty?
> >
> > Scammer: Our records don't show that.
> >
> > --
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>
> --
> -bmw
>
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