That's typical. The LERG date is the estimated date to be completed, but
it doesn't necessarily match the LEC's disconnect date. Especially not
now because AT&T is having major staffing issues in the LIS and DCOE
provisioning departments. Half the time they don't even have someone
available to answer their phone calls. Its really bad!
MARY LOU CAREY
BackUP Telecom Consulting
Office: 615-791-9969
Cell: 615-796-1111
On 2026-01-08 05:12 PM, Mike Hammett via VoiceOps wrote:
> It took a lot of beating, but I finally got my last FOC date for the
> disconnects from Frontier this afternoon. LERG effective date of 11-14, but I
> won't have the last circuit turned off until after Valentine's Day.
>
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
>
> Midwest Internet Exchange
> http://www.midwest-ix.com
>
> ----- Original Message -----
> From: "Mary Lou Carey" <[email protected]>
> To: "Mike Hammett" <[email protected]>
> Cc: "voiceops" <[email protected]>, "Kidd Filby" <[email protected]>,
> "Jeff Shultz" <[email protected]>
> Sent: Wednesday, January 7, 2026 1:57:42 PM
> Subject: Re: [VoiceOps] Re: FYI: TDM Disconnections
>
> I just mentioned the LERG piece because a lot of people forget that step and
> then their project gets shelved until they handle that piece. Since you
> already made changes in the LERG and it sounds like your TDM trunks have no
> more traffic coming in on them, then you just have to get a project ID from
> the RBOC before you issue the disconnects. Lumen and Verizon are not always
> as picky about getting a project ID first, but AT&T definitely is.
>
> MARY LOU CAREY
> BackUP Telecom Consulting
> Office: 615-791-9969
> Cell: 615-796-1111
>
> On 2026-01-07 11:21 AM, Mike Hammett wrote:
>
> In this particular case, it was a migration from TDM to a common IP-based
> solution for tandem access. The LERG effective date has passed and the TDM
> trunks flowed zero calls.
>
> ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com
> Midwest Internet Exchange http://www.midwest-ix.com ----- Original Message
> -----
>
> From: "Mary Lou Carey via VoiceOps" <[email protected]>
> To: "voiceops" <[email protected]>
> Cc: "Kidd Filby" <[email protected]>, "Mike Hammett" <[email protected]>,
> "Jeff Shultz" <[email protected]>
> Sent: Tuesday, January 6, 2026 4:44 PM
> Subject: [VoiceOps] Re: FYI: TDM Disconnections
>
> I'm not sure what the question was that started this thread about
> disconnecting TDM trunks, but I specialize in writing ASRs for SS7 trunk
> groups (local, wireless, and FGD). Turning down the SS7 network doesn't start
> with disconnecting the trunk groups. The NPA-NXX codes all have to be
> returned or re-routed to a different switch in BIRRDS before the RBOC/ILEC
> will even assign a project ID. If the traffic is being routed to a different
> trunk group that was set up by a third party, the translations page on the
> ASR also needs to be completed so they change the NXX translations before
> they remove the trunks.
>
> There's not many of us dinosaurs left out there who know how the SS7 network
> is set up, muchless how to track down the information from the bills / system
> and write the orders for the trunks, transport, SS7 routes, and links. If you
> need help, you can reach out to me privately.
>
> MARY LOU CAREY
> BackUP Telecom Consulting
> Office: 615-791-9969
> Cell: 615-796-1111
>
> On 2026-01-06 02:40 PM, Jeff Shultz via VoiceOps wrote:
>
> You'll definitely want to be working with whoever manages SS7 for you, as
> there will likely be SS7 route sets involved that you will need to remove
> from your switch, particularly if the reason you are disconnecting the
> circuit is because the switch you were talking to is going away.
>
> On Tue, Jan 6, 2026 at 11:39 AM Kidd Filby via VoiceOps <
> [email protected] > wrote:
>
> Having done this numerous times across the country, this work order (Disco of
> Trunks &/or Facilities) is usually considered a PROJECT by the ILEC's, so be
> expecting an additional charge for it. Be diligent on their billing and
> estimates for the work. Make sure it makes sense. It is also a very good idea
> to validate each T1 to ensure you are both working on the same ones at the
> same time, before the cut-over or disco. I know SS7 usually does a great job
> keeping things straight but... I have found record discrepancies.... on both
> sides. Best to be safe than sorry.
>
> Good luck to all and congrats on being able to do it.
>
> On Tue, Jan 6, 2026 at 11:55 AM Mike Hammett via VoiceOps <
> [email protected] > wrote:
>
> FYI: If you're disconnecting TDM circuits from the tandem or other ILEC voice
> switches, you first need to put in disconnect orders for the trunk groups
> before you can disconnect the underlying DS1s or DS3s. Also, those trunk
> group identifications aren't on your bill, so you've got to work with the
> ILEC to get the information you need to be able to cancel circuits.
>
> -----
>
> Mike Hammett
>
> Intelligent Computing Solutions
>
> Midwest Internet Exchange
>
> DNA Communications
>
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> --
>
> Kidd Filby
> 661.557.5640 (C)
> http://www.linkedin.com/in/kiddfilby
>
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> --
>
> Jeff Shultz
> Central Office Technician
> SCTC
> (503) 769-2125
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