[Asterisk-Users] GPS-enabled cell phone/PDA

[Rusty Dekema]

In the US, Sprint's CDMA network will do the fancy GPS+AFLT business,
but like someone else mentioned, it only sends the location data back
to Sprint's network. There is an API that you can use to access this
data for your handsets, but you have to pay some amount of money for
each location fix.

Sprint's iDEN phones (formerly Nextel) contain GPS units that can be
accessed from the phone's serial port, and I am pretty sure that the
GPS data can be accessed from a J2ME applet running in the phone. Such
an applet could then make an appropriate HTTP request to a web/app
server you run, in order to upload the data. However, the GPS data
received using this method is obtained using _only_ GPS, with no AFLT
or other form of assistance from the cellular network. The
significance of that, of course, is that you will not be able to get a
GPS fix in locations where a "regular" GPS receiver can't get a fix,
such as indoors in most cases.

-Rusty



On 2/23/06, Michael Welter <mike at telecommatters.net> wrote:
> I would like to capture the lat/lon coordinates from a GPS-enabled cell
> phone or PDA.  Is this possible?  Must I subscribe to this information
> from the cellphone network provider, or can I capture it without charge?
>
> What devices will broadcast the coordinates?  Is there a device that
> will broadcast its position inband that can be captured by Asterisk?
> Can an SMS message include coordinates?
>
> The subject will willingly carry the device and will be aware that his
> location is being monitored, so privacy rights are not an issue.  The
> subject will make periodic calls to the Asterisk server in order to
> record his movements.
>
> Does anyone have experience in this area?
>
> Thanks,
> Mike
>
>
> --
> Michael Welter
> Telecom Matters Corp.
> Denver, Colorado US
> +1.303.414.4980
> mike at TelecomMatters.net
> www.TelecomMatters.net
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