[VoiceOps] 911 Records of Inbound-Only TNs

[Jay R. Ashworth]

The underlying issue here is that 9-1-1 calls originate from *stations*... and not
all DNs are actually associated with a station.  If it's not, I see no reason to map 
it for 911 calls, cause nothing should ever hit the PSAP with that ANI.

Teen Lines are a special case of this, since they really *are* associated with
a station, but *still* won't ever originate a call, cause that's not how the switch
is programmed...

Cheers,
-- jra

----- Original Message -----
> From: "Paul Timmins via VoiceOps" <voiceops at voiceops.org>
> To: "Mike Hammett" <voiceops at ics-il.net>
> Cc: "VoiceOps" <voiceops at voiceops.org>
> Sent: Tuesday, March 21, 2023 3:16:43 PM
> Subject: Re: [VoiceOps] 911 Records of Inbound-Only TNs

> I'd say that the only way it will come up is if someone calls 911 and there's no
> record found or a misroute.
> 
> If there's no possible way to call out from that number to 911, then there's no
> need to place a 911 record in the databases.
> 
> 
> 
> 
> There will never be an audit that tries to check every number someone has to see
> if it has a 911 record, because vast amounts of customer number types have no
> discernable 911 address or meaningful way to process a 911 call, and depending
> on the technology, what instead will happen is a real time call positioning
> system synthesizes a record, assigns a pANI, and forwards a call to the PSAP
> with it, so no real database ever existed for nomadic voip calls like that, and
> never would. Mobile works this way, and some nomadic voip systems do too.
> 
> 
> 
> 
> -Paul
> 
> 
> 
> From: VoiceOps <voiceops-bounces at voiceops.org> on behalf of Mike Hammett via
> VoiceOps <voiceops at voiceops.org>
> Sent: Tuesday, March 21, 2023 12:55 PM
> To: VoiceOps
> Subject: [VoiceOps] 911 Records of Inbound-Only TNs
> Are you setting up 911 records for all numbers assigned to customers or just
> ones that would be dialing out?
> 
> We pull customer numbers all of the time that served no original purpose other
> than for a legacy operator that needed to put a phone number on every line a
> customer had. We keep them because people likely saved those ancillary numbers
> in their contact lists, and it's just easier to port it than to fight "Billy
> can't reach me because he saved an old number that YOU canceled" tickets.
> However, no one will ever call out of that number - it's inbound only. We're
> trying to figure out what to do with all of those numbers from a 911
> perspective. If no one would ever call out of that number, there's no technical
> need to have it. I'm not sure what would legally or best practices required of
> it.
> 
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
> 
> 
> 
> Midwest Internet Exchange
> http://www.midwest-ix.com
> 
> 
> 
> 
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-- 
Jay R. Ashworth                  Baylink                       jra at baylink.com
Designer                     The Things I Think                       RFC 2100
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