[VoiceOps] Fake Voicemail Anti-Robocall Tactics

[paul at timmins.net]

Legal or not it’s genius. Humans will notice right away and it’ll cost for the robocallers.

Sent from my iPhone

> On Feb 16, 2021, at 11:23 AM, Calvin Ellison <calvin.ellison at voxox.com> wrote:
> 
> 
> Today we received a notice from one of our underlying carriers that included the following statement:
> 
>> * If a customer spoofs an ANI that they do not own, the clec's can forward to call to a voiceless Voicemail which appears to be FAS.
>> 
> 
> Is there any legal device that actually supports this practice? I'm looking for a specific statute, FCC rule, precedent in a judicial ruling, or the like.
> 
> The FCC has ruled that the SIP 608 response code is to be used for signaling when a call is rejected. I doubt the FCC or FTC has ruled that terminating carriers are permitted to cause loss of trust and revenue between upstream intermediate and originating carriers.
> 
> 
> Regards,
> 
> Calvin Ellison
> Systems Architect
> calvin.ellison at voxox.com
> +1 (213) 285-0555
> 
> -----------------------------------------------
> voxox.com 
> 5825 Oberlin Drive, Suite 5
> San Diego, CA 92121
> 
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