[VoiceOps] Voice Peering

[Pinchas Neiman]

By reading the RFCs I was able to grasp 75% of it, it's well written and
covers your *clear *constraint, at least on how to verify the SIP header
comes from a trustworthy authority (If you agree on the root authority)
Practically implementing STIR/SHAKEN has bureaucracy involved.

On Tue, Oct 24, 2023 at 9:38 PM Jawaid Bazyar via VoiceOps <
voiceops at voiceops.org> wrote:

> Is there a good clear document somewhere describing how STIR/SHAKEN is
> supposed to work?
>
> On Tue, Oct 24, 2023 at 9:33 PM Matthew Crocker via VoiceOps <
> voiceops at voiceops.org> wrote:
>
>>
>>
>> > On Oct 24, 2023, at 9:13 PM, Peter Beckman via VoiceOps <
>> voiceops at voiceops.org> wrote:
>> >
>> > CAUTION: This email originated from outside of Crocker. Do not click
>> links or open attachments unless you recognize the sender and know the
>> content is safe.
>> >
>> >
>> > The challenge is how do you authenticate the end "carrier" or service
>> > provider?
>> >
>>
>> STIR/SHAKEN
>>
>>
>> > Sure, anyone who leases numbers directly from NANPA can look up the
>> carrier
>> > of record and exchange traffic directly, but any business who also
>> leases
>> > numbers INDIRECTLY gets cut out and still needs to pay their upstream
>> > carrier(s) to place/receive calls, either by channels or per minute,
>> even
>> > if their upstream is directly peered and not transiting the PSTN at all.
>> >
>> > If this would be for the end user, then NANPA would have to delegate to
>> the
>> > leasee, the leasee delegate to the reseller, the reseller to the end
>> user,
>> > then the end user could publish their VoIP contact info, and anyone
>> could
>> > call directly via VoIP, cutting out all of the middle peers.
>> >
>> > But, as another person said, this is ripe for abuse, and with no
>> motivation
>> > by NANPA or the larger carriers to make calls less expensive for the
>> > reseller or end user, I see this going nowhere. Until there is some
>> value
>> > in NANPA (plus all the other country telephony organizations) and the
>> > direct carriers leasing numbers to do so.
>> >
>> > Beckman
>> >
>> >> On Tue, 24 Oct 2023, Ross Tajvar via VoiceOps wrote:
>> >>
>> >> I can think of a few ways that could be adapted into a platform more
>> like
>> >> an Internet exchange, but as others have said, it just doesn't seem
>> worth
>> >> it.
>> >>
>> >> On Tue, Oct 24, 2023, 5:31 PM Jawaid Bazyar via VoiceOps <
>> >> voiceops at voiceops.org> wrote:
>> >>
>> >>> I think schemes like DUNDI (and some of the others mentioned here)
>> suffer
>> >>> from a trust issue – what’s to prevent operator X from poisoning the
>> >>> protocol with bogus “stolen” numbers?
>> >>>
>> >>>
>> >>>
>> >>> On Tue, Oct 24, 2023 at 5:25 PM Jared Smith via VoiceOps <
>> >>> voiceops at voiceops.org> wrote:
>> >>>
>> >>>> On Tue, Oct 24, 2023 at 8:49 AM Mike Hammett via VoiceOps <
>> >>>> voiceops at voiceops.org> wrote:
>> >>>>
>> >>>>> This was in another thread, but I broke it out into it's own
>> >>>>> conversation. Someone had asked:
>> >>>>>
>> >>>>> ---
>> >>>>> I am joining this thread late, but, would anyone out there be
>> interested
>> >>>>> in exchanging traffic with other carriers directly over SIP?
>> >>>>>
>> >>>>
>> >>>> Just another point of VoIP history trivia at this point... but in
>> >>>> addition to things like ENUM and ITAD, Mark Spencer of Asterisk fame
>> also
>> >>>> invented Dundi, which was an encrypted peer-to-peer protocol for
>> route
>> >>>> advertisement and discovery.  As far as I know, very few people
>> besides me
>> >>>> ever put it in production, but it worked really well at the time. (Of
>> >>>> course, it's been about 17 or 18 years now since I used it in
>> production.)
>> >>>>
>> >>>> -Jared
>> >>>> _______________________________________________
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>> >>>> VoiceOps at voiceops.org
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>> >>>>
>> >>> _______________________________________________
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>> >>>
>> >>
>> >
>> >
>> ---------------------------------------------------------------------------
>> > Peter Beckman                                                  Internet
>> Guy
>> > beckman at angryox.com
>> https://www.angryox.com/
>> >
>> ---------------------------------------------------------------------------
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-- 
*Pinchas S. Neiman*
Software Engineer At ESEQ Technology Corp.
845.213.1229 #2
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