[VoiceOps] Conferencing NPAs
Ujjval Karihaloo
ujjval at simplesignal.com
Wed Dec 9 13:25:16 EST 2009
Here you go... not sure if that's all there is......format got canned...but u get the idea
IA SD NE KY MN MI
319-256 605-990 308-231 270-200 218-237 906-204
319-279 605-725 308-344 270-250 218-339 906-232
563-843 605-475 308-378 270-400 218-486 906-239
641-210 605-622 308-526 270-402 218-548 906-294
641-213 605-715 308-823 270-405 218-632 906-357
641-235 308-831 270-406 218-844 906-481
641-237 308-929 270-407 218-862 906-874
641-262 402-590 270-431 218-895
641-264 270-446
641-297 270-572
641-308 270-696
641-309 270-834
641-315 270-872
641-388 270-943
641-396 270-951
641-410 270-960
641-453
641-509
641-551
641-552
641-570
641-594
641-608
641-612
641-654
641-665
641-696
641-710
641-713
641-715
641-739
641-765
641-793
641-795
641-816
641-826
641-827
641-865
641-962
641-982
641-983
641-985
641-992
712-278
712-439
712-451
712-472
712-475
712-541
712-568
712-580
712-725
712-726
712-737
712-858
712-338
712-353
712-429
712-432
712-458
712-775
712-827
712-872
712-873
712-876
712-889
712-941
712-944
712-945
712-948
712-951
Ujjval Karihaloo
VP Voice Engineering
IP Phone: +13032428610
E-Fax: +17202391690
SimpleSignal Inc.
88 Inverness Circle East
Suite K105
Englewood, CO 80112
-----Original Message-----
From: Tim Jackson [mailto:jackson.tim at gmail.com]
Sent: Wednesday, December 09, 2009 11:23 AM
To: Ujjval Karihaloo
Cc: Scott Berkman; Alex Balashov; voiceops at voiceops.org
Subject: Re: [VoiceOps] Conferencing NPAs
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
> Suite K105
> Englewood, CO 80112
>
>
>
> -----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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