The challenge is how do you authenticate the end "carrier" or service
provider?
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@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@voiceops.org> wrote:
On Tue, Oct 24, 2023 at 8:49 AM Mike Hammett via VoiceOps <
voiceops@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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