GPS emergency call standards

Pander pander at
Tue Feb 24 15:30:49 CET 2009

Tilman Baumann wrote:
> Am 24.02.2009 um 12:38 schrieb Helge Hafting:
>> Tilman Baumann wrote:
>>> Hi,
>>> I'm just wondering if there are any open standards for emergency
>>> services for location.
>>> I'm thinking about services like
>>> (European, websites in other languages should be available)
>>>  A SMS to the respective emergency (112, 911) number containing the
>>> GPS position could be a start, but then someone has to read it.
>>> I would guess there is a standard for a computer readable format.
>>> Building a emergency call app would be a nice thing to have.
>>> PS: According to Wikipedia, 112 works on all GSM networks no matter  
>>> if
>>> the number is a emergency number in tie state.
>> If you have the gps coordinates, just tell them over the phone as you
>> make the call. They will use it if they have gps eqipment, which is
>> likely.
> As log as you are able to do so.
> I'm more thinking about something like a machine readable side channel  
> paralel to a regular emergency call.
> BTW. the German ADAC is completely helpless if you provide them GPS  
> coordinates.
>> Automating this seems dangerous in that your SMS to the
>> emergency service is delayed by a few minutes as the phone struggle to
>> get the first fix. When you talk, you can fall back on other
>> descriptions of the place (addresses, road names) if coordinates  
>> aren't
>> available.
> Depends, when a GPS fix is made it will be much more precise and  
> quicker.
> And there seems to be a standard for cars to make automatic emergency  
> calls on accidents.
> It is called eCall and no technical information is to be found... :)

The notification part sending data can be reused with/from

Uploading GSM cell info, GPS coordinates, USB IDs, voice recordings, etc.

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