Is GSM a blackbox in OpenMoko

Mikko J Rauhala mjrauhal at
Fri Dec 14 12:55:39 CET 2007

On pe, 2007-12-14 at 12:49 +0100, Torsten Schlabach wrote:
> I had been playing a bit with gsmd these days and was a bit suprised to 
> see that there is something called a "GSM modem" which seems to be a 
> black box subsystem IIUC.

This would be correct, and the only way many (most?) national
governments would have it.

> Did I misunderstand anything or would it be correct to say that OpenMoko 
> basically is the UI layer for a given phone which is controlled via AT 
> commands?

It would be a gross understatement as it is a complete operating system
which has many useful uses, some completely unrelated to the phone
subsystem. However, one of the things it does is indeed providing a user
interface to utilize a GSM modem, thus making the whole a "phone".

Mikko J Rauhala <mjrauhal at>
University of Helsinki

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