[VoiceOps] Connecting to Remote Tandems

Wed Feb 10 14:48:38 EST 2021

That does indeed sound infinitely more economical and bureaucratically 
attainable. Why would anyone who provides primarily or exclusively IP 
telecom services want to be a CLEC anymore, unless specialising in 
regional wholesale PSTN connectivity, needing rights-of-way to build own 
network, or something of that ilk?

-- Alex

On 2/10/21 2:26 PM, Mary Lou Carey wrote:
> Verizon will allow PSTN Connection Providers to put both IPES and CLEC 
> NXXs on their existing trunk groups. AT&T and Lumen only allow PSTN 
> Connection Providers to put IPES NXXs on their existing trunks. You are 
> correct that for CLECs, AT&T and Lumen require the PSTN Connection 
> Providers to build separate trunk groups in each LATA the CLEC operates in.
> 
> That's why it's becoming more beneficial to become an IPES provider. The 
> other benefit is that CLECs have to be certified in every state and 
> order an OCN for each state. IPES providers get certified for the entire 
> country at one time and only have one OCN to identify their NXXs across 
> the entire country. When IPES providers file NRUF reports, they only 
> have to submit 1 NRUF report for their OCN vs CLECs who have to submit 
> one NRUF report for every OCN they have.
> 
> Becoming an IPES provider also eliminates the need for SS7 links and SS7 
> routes! You usually pay a per-port charge for the connection to the PSTN 
> Connection provider and a per-minute charge fee for all the traffic (as 
> opposed to getting local traffic for free), but you don't have the cost 
> of the SS7 network or SS7 routes.
> 
> MARY LOU CAREY
> BackUP Telecom Consulting
> Office: 615-791-9969
> Cell: 615-796-1111
> 
> On 2021-02-10 01:13 PM, Alex Balashov wrote:
>> 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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-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
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