[Freeswitch-users] Tracking down calls with spoofed Caller ID

Wed Sep 13 18:57:34 UTC 2017

At least here, on Spain ... all carriers offer you the service to block
incoming annonymous calls and also block incoming calls based on CallerID
... tradicional telcos limit you to 10 numbers ... but SIP telcos do no put
any limit on that and either any smartphone could block any call you tell
them ... there is apps either that you could install that check the
CallerID agains know web portals where people report spammers of disturbing
numbers ... so far easier to you.

2017-09-13 19:24 GMT+01:00 Mundkowsky, Robert <rmundkowsky at ets.org>:

> Last time I contacted a major carrier about blocking callers that have no
> caller id, they play dumb saying “oh we have not way to know how to do
> that.”  Actually ended up installing a app on my cell phone to block such
> calls which kind of worked.
>
>
>
> I doubt’t they will block any type of SPAM or etc.  Since they are not
> charging us per call, I have no clue why they do not have services to block
> such calls, maybe they make a lot of money off SPAMmers I guess.
>
>
>
>
>
> Robert
>
>
>
> *From:* FreeSWITCH-users [mailto:freeswitch-users-
> bounces at lists.freeswitch.org] *On Behalf Of *Raúl Alexis Betancor Santana
> *Sent:* Wednesday, September 13, 2017 2:15 PM
> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> *Subject:* Re: [Freeswitch-users] Tracking down calls with spoofed Caller
> ID
>
>
>
> But your carrier, the one giving the service TO YOUR line, will know from
> where the call comes ... and could send that trace to the authorities or do
> some upwaters guessing with their peering carriers.
>
> The tools are there to catch them.
>
> We helped to close an spamming bussines last year, we got to the point of
> identifing the carrier who was selling the service to them ... and they
> received a penalty fee from their local telco commission, for allowing
> customer to play with the callerid freely.
>
>
>
> 2017-09-13 18:17 GMT+01:00 Mario G <mario_fs at mgtech.com>:
>
> Same here, it used to be easy to block calls form area codes no one should
> be calling from. But in the last year the spammers are calling
> frequently with spoofed numbers from our local area code so you can’t
> really block them. The sad thing is if you report it as a spam number, it
> messes someone up with a legitimate number.
>
> Mario G
>
>
>
>
>
>
>
> On Sep 13, 2017, at 10:13 AM, Brian West <brian at freeswitch.com> wrote:
>
>
>
> I have seen similar, I've also seen them spoof numbers of my husband and
> sister to get to me, Its frustrating because I can't block them.  I've
> reported them till I'm blue in the face.
>
>
>
> /b
>
>
>
>
>
> On Wed, Sep 13, 2017 at 11:58 AM, Chad Phillips <chad at apartmentlines.com>
> wrote:
>
> This question isn’t directly related to FreeSWITCH, and, I’m curious what
> others in this community have learned about dealing with incoming ‘spam’
> phone calls…
>
>
>
> For many months now I’ve been getting travel-related spam phone calls to
> my personal cell. I figured the caller ID was spoofed, so would just hang
> up, but a few days ago I decided to call one of the numbers back to see
> what would happen.
>
>
>
> A woman answered, and I asked her to remove me from their call list, to
> which she angrily responded “no, you are the one who has been calling me,
> and I’ve contacted the police!”
>
>
>
> It was then that I realized the spammers were using caller ID numbers of
> other people they were spamming…as if this industry could get any slimier.
>
>
>
> I would love to bust these jerks, but I’m not sure it’s even possible to
> trace the origins of these calls. It seems futile to block incoming calls
> based on caller ID, because they change all the time.
>
>
>
> How do the telephony bad-asses in this community handle such shenanigans?
>
>
>
> Chad
>
>
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