IME it's not so much that the literal digits 9, 1, 1 are pulse dialed, but some switches are configured so that a bunch of repeated on/off hook sequences will be treated as an emergency call. I think the idea is, if someone is severely incapacitated, their attempts to pick up the phone will be noticed and acted upon. -- Hunter Fuller (they) Router Jockey VBH Annex B-5 +1 256 824 5331 Office of Information Technology The University of Alabama in Huntsville Network Engineering On Thu, Jan 21, 2021 at 2:22 PM Brandon Svec <bsvec at teamonesolutions.com> 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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