[VoiceOps] Connecting to Remote Tandems

Wed Feb 10 14:13:56 EST 2021

Mary Lou,

To make sure I understand: the PSTN connection providers have to build separate tandem trunk groups in each respective LATA for CLEC NXXs vs IPES NXXs?

—
Sent from mobile, with due apologies for brevity and errors.

> On Feb 10, 2021, at 2:10 PM, Mary Lou Carey <marylou at backuptelecom.com> wrote:
> 
> They still do it....I just helped a client connect with them recently. All the PSTN Connection providers prefer that CLECs get certified as IPES providers though because AT&T and Lumen (fka CenturyLink) will only allow the PSTN connection providers to add IPES NXXs to their existing trunks. AT&T and Lumen make the PSTN connection providers install separate trunk groups for CLEC NXXs.
> 
> MARY LOU CAREY
> BackUP Telecom Consulting
> Office: 615-791-9969
> Cell: 615-796-1111
> 
>> On 2021-02-09 12:43 PM, Jared Geiger wrote:
>> Wide Voice used to run the PSTN connectivity (they may still do it, I
>> haven't investigated) for FreeConferenceCall.com and other similar
>> services. They probably had to change up the business model when
>> intercarrier compensation rates dried up.
>>> On Mon, Feb 8, 2021 at 3:55 PM Mike Hammett <voiceops at ics-il.net>
>>> wrote:
>>> That's the first I've heard of Wide Voice. Their network looks
>>> little sparse at the moment. I wonder if it's on-demand, as in once
>>> you inquire about a LATA, they build it out.
>>> -----
>>> Mike Hammett
>>> Intelligent Computing Solutions
>>> http://www.ics-il.com
>>> Midwest Internet Exchange
>>> http://www.midwest-ix.com
>>> -------------------------
>>> From: "Mary Lou Carey" <marylou at backuptelecom.com>
>>> To: "Mike Hammett" <voiceops at ics-il.net>
>>> Cc: "VoiceOps" <voiceops at voiceops.org>
>>> Sent: Monday, February 8, 2021 5:33:19 PM
>>> Subject: Re: [VoiceOps] Connecting to Remote Tandems
>>> You can get a PSTN Connection Service from Peerless or Wide Voice.
>>> Inteliquent used to offer that service but they have backed away
>>> from it
>>> recently.
>>> To make it simple, you have to get certified as an Interconnected
>>> VOIP
>>> carrier and then set up SIP trunks with your PSTN Connection
>>> provider.
>>> You order a POI CLLI and LRN NXX for every LATA that you want to
>>> enter
>>> and point your traffic to the PSTN Connection provider's switch in
>>> the
>>> LERG. You still have all your own NXXs and LRNs, but you can get rid
>>> of
>>> your SS7 network because the PSTN Connection Service Provider
>>> handles
>>> that piece. You still do all your own porting and maintain all your
>>> connections with 911, LD, VOIP providers. If you want more
>>> information
>>> on how it all works, just message me privately.
>>> MARY LOU CAREY
>>> BackUP Telecom Consulting
>>> Office: 615-791-9969
>>> Cell: 615-796-1111
>>> On 2021-02-08 03:35 PM, Mike Hammett wrote:
>>>> Due to receiving several offlist e-mails about this point, I
>>> wanted to
>>>> point out that I'm not looking to do SIP directly to an ILEC
>>> tandem. I
>>>> assume there would be some abstraction layer happening by a third
>>>> party.
>>>> -----
>>>> Mike Hammett
>>>> Intelligent Computing Solutions
>>>> http://www.ics-il.com
>>>> Midwest Internet Exchange
>>>> http://www.midwest-ix.com
>>>> -------------------------
>>>> From: "Mike Hammett" <voiceops at ics-il.net>
>>>> To: "VoiceOps" <voiceops at voiceops.org>
>>>> Sent: Monday, February 8, 2021 9:24:57 AM
>>>> Subject: Re: [VoiceOps] Connecting to Remote Tandems
>>>> I did want to circle back on this.
>>>> I am currently a CLEC with traditional voice services in a single
>>> LATA
>>>> on a single set of tandems. We have SS7, do our own porting, etc.
>>>> I understand that going interconnected VoIP (instead of CLEC) may
>>> be
>>>> easier for my expansions.
>>>> So that I don't have to drag T1s all over the place, what options
>>> do I
>>>> have in front of me? To be clear, I am looking for specific
>>> providers
>>>> and products, even off-list solicitations.
>>>> I'm not afraid of T1s, they're just expensive. I got a quote for a
>>>> single T1 to the facility where the other tandem in our LATA is,
>>> and
>>>> it was far more expensive than just sending the calls out our
>>>> termination providers. If I need more than one T1 (one for each
>>>> tandem), then I'm really priced out of the market. Obviously that
>>>> course of action wouldn't help me for my own number blocks.
>>>> I looked at straight DID\minute services, but as some of our past
>>> (and
>>>> potential future) customers have several hundreds of DIDs compared
>>> to
>>>> the amount of traffic they'd have, that gets a difficult to
>>> operate
>>>> in.
>>>> -----
>>>> Mike Hammett
>>>> Intelligent Computing Solutions
>>>> http://www.ics-il.com
>>>> Midwest Internet Exchange
>>>> http://www.midwest-ix.com
>>>> -------------------------
>>>> From: "Mike Hammett" <voiceops at ics-il.net>
>>>> To: "VoiceOps" <voiceops at voiceops.org>
>>>> Sent: Friday, August 9, 2019 2:42:37 PM
>>>> Subject: [VoiceOps] Connecting to Remote Tandems
>>>> I'm evaluating methods of extending our footprint. I purposely
>>> left
>>>> out company names.
>>>> One of the companies we talked to was really only interested in
>>>> getting us the inbound long distance calls, not the local ones.
>>> Well,
>>>> they would, but the terms were vastly different.
>>>> Given that I still need to build out to connect to the local
>>> tandem,
>>>> what's the point in using a third party to connect to long
>>> distance?
>>>> Are the terms for connecting to the local tandems different
>>> because
>>>> the access tandem is simpler, whereas the local tandem could
>>>> potentially involve connections to a bunch of other switches, once
>>>> volume dictated I needed direct connections...  and they don't
>>> want to
>>>> deal with that?
>>>> Are there third parties that don't have vastly different terms for
>>>> local tandem services?
>>>> Also, is it likely that I just don't understand what's going on? I
>>>> went circles with the sales rep to make sure I understood what he
>>> was
>>>> saying, but I could be wrong.
>>>> -----
>>>> Mike Hammett
>>>> Intelligent Computing Solutions
>>>> http://www.ics-il.com
>>>> Midwest Internet Exchange
>>>> http://www.midwest-ix.com
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