[VoiceOps] False 911 calls and old abandoned DID

Jeff Shultz jeffshultz at sctcweb.com
Thu Jan 21 18:51:16 EST 2021

That would be odd....  one of the reasons that big cities in the US got
area codes like 212 was because it was shorter to dial with fewer pulses
needed. Hawaii got stuck with 808....

On Thu, Jan 21, 2021 at 3:43 PM Pete Mundy <pete at mac.geek.nz> wrote:

> So close! But on the PoTS equipment I'm familiar with (others can chime in
> and correct me if I'm wrong on a larger scale) the numbers are reversed
> (well for all except 5 :)
> Basically it counts down from 10. 1 pulse is digit '9', 4 pulses is digit
> '6', 10 pulses is digit '0'.
> So do dial 911 you need:
>         1 brief loop interruption
>         pause
>         9 brief loop interruptions
>         pause
>         9 brief loop interruptions
> <wield flame suit>
> Pete
> > On 22/01/2021, at 12:07 PM, Mike Johnston <mjohnston at wiktel.com> wrote:
> > <snip>
> > One interrupt represents the digit "1" being dialed.  Two rapid
> interrupts represents the digit "2", and so on.  You need to have at least
> a brief timeout
> > <snip>
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Jeff Shultz

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