[VoiceOps] Conferencing NPAs

[Tim Jackson]

What are some of these NPA-NXX's out of curiosity?

--
Tim

On Wed, Dec 9, 2009 at 12:14 PM, Ujjval Karihaloo
<ujjval at simplesignal.com> wrote:
> Level 3 just told me that we need to start blocking these NPA-NXX's...and that they have a lot of trouble with them..no specific explaination.
>
> Ujjval Karihaloo
> VP Voice Engineering
> IP Phone: +13032428610
> E-Fax: +17202391690
>
> SimpleSignal Inc.
> 88 Inverness Circle East
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>
>
>
> -----Original Message-----
> From: Scott Berkman [mailto:scott at sberkman.net]
> Sent: Wednesday, December 09, 2009 11:12 AM
> To: 'Alex Balashov'
> Cc: Ujjval Karihaloo; voiceops at voiceops.org
> Subject: RE: [VoiceOps] Conferencing NPAs
>
> I don't have that level of knowledge of their network, but I can easily
> believe they'd only have tandem trunking in some of these rural places.
>
>        -Scott
>
> -----Original Message-----
> From: Alex Balashov [mailto:abalashov at evaristesys.com]
> Sent: Tuesday, December 08, 2009 7:03 PM
> To: Scott Berkman
> Cc: 'Ujjval Karihaloo'; voiceops at voiceops.org
> Subject: Re: [VoiceOps] Conferencing NPAs
>
> Scott Berkman wrote:
>
>> Yes, number of Tandem trunks and/or PRIs.
>>
>>       Remember that Level 3's voice service was born out of their managed
>> modem service.  As the modem business (especially that of their really
> large
>> wholesale customers) started declining, that capacity was converted to (or
>> shared with) IP media gateways.  Therefore areas that didn't have a large
>> capacity in the modem world didn't have a large capacity for calls.
>
> Yes, that I know, but my understanding was that this applies to
> origination.  That is why they have direct end-office trunks to nearly
> everywhere.
>
> How does the termination architecture work?  I would assume it's like
> any other large CLEC and/or IXC:  by default, they connect to a POI
> and have tandem groups from there, and also ride their own network to
> select end-offices in which colocate equipment for the purpose of
> generating UNEs, when/if there is switching equipment there.
>
> --
> Alex Balashov - Principal
> Evariste Systems
> Web     : http://www.evaristesys.com/
> Tel     : (+1) (678) 954-0670
> Direct  : (+1) (678) 954-0671
>
>
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