[VoiceOps] Fake Voicemail Anti-Robocall Tactics

[Calvin Ellison]

Correct. The 608 response includes redress information and can be
translated to a voice reject for unsupported clients.
https://tools.ietf.org/html/rfc8688



Regards,

*Calvin Ellison*
Systems Architect
calvin.ellison at voxox.com
+1 (213) 285-0555

-----------------------------------------------
*voxox.com <http://www.voxox.com/> *
5825 Oberlin Drive, Suite 5
San Diego, CA 92121
[image: Voxox]


On Tue, Feb 16, 2021 at 9:35 AM Glen Gerhard <glen at cognexus.net> wrote:

> Hopefully Stir/Shaken will make this a moot point. Calvin, are you saying
> that a 608 is the recommended response for a call that is being rejected
> due to S/S attestation or CVT reasons?
>
> ~Glen
>
> On 2/16/2021 8:19 AM, Calvin Ellison 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 <http://www.voxox.com/> *
> 5825 Oberlin Drive, Suite 5
> San Diego, CA 92121
> [image: Voxox]
>
> _______________________________________________
> VoiceOps mailing listVoiceOps at voiceops.orghttps://puck.nether.net/mailman/listinfo/voiceops
>
>
> --
> Glen Gerhardglen at cognexus.net
> 858.324.4536
>
> Cognexus, LLC
> 7891 Avenida Kirjah
> San Diego, CA 92037
>
> _______________________________________________
> VoiceOps mailing list
> VoiceOps at voiceops.org
> https://puck.nether.net/mailman/listinfo/voiceops
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/voiceops/attachments/20210216/d5640a05/attachment-0001.htm>