nanog mailing list archives

Re: [VoiceOps] Phone Numbers with Calling Restrictions


From: Adam Rothschild <asr () latency net>
Date: Wed, 22 Jan 2014 17:52:39 -0500

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 () baylink com> wrote:
----- Original Message -----
From: "Tim Donahue" <tim.donahue () 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 () baylink com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates       http://www.bcp38.info          2000 Land Rover DII
St Petersburg FL USA      BCP38: Ask For It By Name!           +1 727 647 1274



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