[VoiceOps] False 911 calls and old abandoned DID

[Fred Posner]

My understanding was that it was chosen cause it was easy to remember (especially for kids), simple to dial, and didn’t conflict with any service or area code with no consideration for pulse shortness. 

-- Fred
direct/sms +1 (336) 439-3733


> On Jan 21, 2021, at 6:59 PM, Carlos Alvarez <caalvarez at gmail.com> wrote:
> 
> 
> Island time is chill, yo.  New Yorkers and Southern Californians got to do things like NOW!
> 
> Two pulses, one pulse, three pulses would be Los Angeles.
> 
> I mean, I can test dial something right here at home if you want, I have the means.  Yes, it works.
> https://imgur.com/5m2Fe5b
> 
> 
>> On Thu, Jan 21, 2021 at 4:52 PM Jeff Shultz <jeffshultz at sctcweb.com> wrote:
>> 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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>>                  
>> 
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>> 
>> 
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