[VoiceOps] False 911 calls and old abandoned DID

[Carlos Alvarez]

Even without the address, the CNAM would have told them the company name.
I will tell the customer that if this happens again, to ask for much more
detail from the police.

On Fri, Jan 22, 2021 at 10:45 AM Mary Lou Carey <marylou at backuptelecom.com>
wrote:

> I would think that the ALI database would still need to have the address
> associated with that phone number in order for the police to call. I'd
> check the ALI database to make sure the number has been removed if its
> no longer in service. Otherwise you could be getting fined big time for
> invalid ALI information.
>
> MARY LOU CAREY
> BackUP Telecom Consulting
> Office: 615-791-9969
> Cell: 615-796-1111
>
> On 2021-01-21 02:22 PM, Brandon Svec wrote:
> > That sounds unbelievable. Do you really have evidence that a damaged
> > cable somehow pulse dialed 911? I think the issue is something
> > upstream like what data the PSAP is getting has been spoofed or is
> > just inadvertently incorrect, for example.
> >
> > Brandon Svec
> >
> >> On Jan 21, 2021, at 12:08 PM, Dan Mostert <dan at delhitel.com> wrote:
> >
> >> 
> >>
> >> We’ve run into similar circumstances before with ported in
> >> numbers.  The losing carrier, either on purpose under the idea of
> >> “left in place dial-tone”, or laziness, leaves a copper PSTN
> >> line configured as the customer still.  They also don’t maintain
> >> their aging copper, so particularly when the cable is wet, short
> >> outs and ends up pulse-dialling 911 for them.  Same deal- police
> >> response for an unresponsive / hang up 911, and a confused/annoyed
> >> customer.  In our case, the PSAPs involved see this so much from the
> >> losing carrier every time it rains, we just educate everyone
> >> involved, and the PSAP / public safety have to deal with it.  I’m
> >> interested in anyone else’s suggestions too.
> >>
> >> Dan
> >>
> >> From: VoiceOps <voiceops-bounces at voiceops.org> On Behalf Of Carlos
> >> Alvarez
> >> Sent: Thursday, January 21, 2021 3:01 PM
> >> To: voiceops at voiceops.org
> >> Subject: [VoiceOps] False 911 calls and old abandoned DID
> >>
> >> We have a customer who has received two calls from the police
> >> because "they" called 911, but they did not.  The CLID shown is NOT
> >> one of theirs, but they think it might have been theirs many years
> >> ago.  The CNAM on that number is their company name.  Nobody answers
> >> the number, and it's with Qwest.  Our logs show no calls to 911 from
> >> them.
> >>
> >> Any advice on this?  It's just two calls at this point, just this
> >> week.  They've been our customer for over five years, and this
> >> number has never been on our system.
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