[VoiceOps] Phone Numbers with Calling Restrictions

Adam Rothschild asr at latency.net
Wed Jan 22 22:52:39 UTC 2014

How is this considered even remotely relevant to the NANOG list?

VoiceOps, I can sort of see...

On Wed, Jan 22, 2014 at 3:23 PM, Jay Ashworth <jra at baylink.com> wrote:
> ----- Original Message -----
>> From: "Tim Donahue" <tim.donahue at gmail.com>
>> We ported this to an underlying carrier (the guilty party shall remain
>> nameless), and according to their engineers they have no option to
>> disable the SSC.
>> I actually have no idea if the call I am making is blocked at the local
>> switch for my POTS test line, the LD carrier, or inbound to our ULC (or any
>> other part of the path it might have crossed). This information was not
>> provided to me in the response from our ULC, but it would be interesting to
>> know for future reference where these blocks happen.
> Waitaminnit.
> The calls are being blocked... well, they'd have to be being blocked
> *before they get to your gaining carrier, I guess, right?
> That nearly *requires* the code to be in the LERG, so the originating CO
> can execute it.  We have some people here who know the LERG back and fro;
> Paul? Anyone else?  You ever heard of this?
> Can you originate a call to that number from a different carrier via
> PRI, and see which ISDN error you get back?  Or have someone else call
> it that way?
> ISDN errors tend to have a bit more data in them.
> I'd do it, but I don't have any PRIs laying around anymore.
> Cheers,
> -- jra
> --
> Jay R. Ashworth                  Baylink                       jra at baylink.com
> Designer                     The Things I Think                       RFC 2100
> Ashworth & Associates       http://www.bcp38.info          2000 Land Rover DII
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