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Cellular Phone Forum / General / GSM / May 2008

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SIM Toolkit, beginers help

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crybaby - 16 May 2008 15:14 GMT
I am new to STK development and deployemnt. The problem is, there isnt
much help available on the internet. and the second biggest problem is
that i am not at all a developer. I make algorithms and that is it.
From reading the documentation that came with gemalto developer tool,
i know what i want to do is technically possible.

What I want to implement

The SIM I am using is gemalto's SIM, and the information i have is it
is GSM phase2+ sim. I dont know if it is a SIM Card R5, SIM card R99,
USIM card R5, or USIM R6. Playing it safe, i will start with SIM card
R5. Correct me if i am wrong in the SIM selection.

My SIM will be updated by the operator by using OTA module, so what
they would require is an XML script file and STK application .

STK Application

The STK application will get the CELL ID from mobile using GSM 11.11
and GSM 11.14 protocols, and send it to a short code via SMS.

If anybody can guide me step by step on how to do it, I mean, which
menu's to select in Developer Suite, and where to write the code. (I
know, to experts, I may sound like a complete moron, but cant help
it). after writing the code, how to test it? and what are
develiverables to be given to operators so that he can update my SIM.

Thankyou

//techmulla
John Henderson - 23 May 2008 00:43 GMT
> I am new to STK development and deployemnt. The problem is,
> there isnt much help available on the internet. and the second
[quoted text clipped - 27 lines]
> it? and what are develiverables to be given to operators so
> that he can update my SIM.

I'm not sure that I can be much help, as I've not installed an
STK application onto a SIM, or used an STK development
environment or simulator of the type you describe.

But I do have some experience with STK tag-length-value (TLV)
command syntax, and thought it might also be of interest
(unless you already are well versed in this aspect).

I've previously used STK on Siemens phones.  These provide an
"AT^SSTK" command interface over a serial connection so that
you can pretend to be a proactive SIM running the commands.

I've found some old notes of mine on doing this, and can go into
detail if it helps.  Basically, you'll need to read the
Terminal Profile to see if the proactive SIM commands you need
are supported by your device & SIM combination, construct and
issue the required STK-TLV commands, and finally interpret the
results.

John
 
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