GSM detection/identification
Matt Joyce
matt.joyce at gmail.com
Thu Jul 31 04:05:51 CEST 2008
On Thu, Jul 31, 2008 at 10:38 AM, Paul Buede <paul at buede.com> wrote:
>
> Anybody else know what I can query or run to view available cell
> carriers at any given time? Is this even possible? Correct me if I am
> wrong, I am kind of making this up to try and figure out how it works:
>
>
I had a play last night, I was trying to find out what towers were contactable.
I wasn't successful, but you might be with your investigations.
The wiki has some interesting info on GSM :
http://wiki.openmoko.org/wiki/Gsm
The AT commands to interact with the hardware are here :
http://wiki.openmoko.org/wiki/Hardware:AT_Commands
(I wonder if they are an extension of the earlier dial up modem
commands ala Hayes?)
here's how you use the commands:
http://wiki.openmoko.org/wiki/Gsmd#Usage_of_shell_mode
these command may work for you :
r Register to network
R Register to given operator (R=number)
U Unregister from netowrk
P Print current operator
N Print current operator in numeric
L List available operators
Q Read signal quality
nr Query network registration
As I mentioned, I wanted to find all contactable sites, but didn't
find a command for that.
Regards
Matt
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