Rainbow Electronics MG260 User Manual
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FLYFOT-MG260-MODULE
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12 SIM TOOLKIT
12.1 Overview of SIM Application ToolKit
Summary
SIM ToolKit, also known as “SIM Application ToolKit” introduces functionalities, which open the way to
a broad range of value added services. The principle is to allow service providers to develop new
applications (e.g.. for banking, travel, ticket booking, etc.) for subscribers and to download them into the
SIM.
This solution allows new services to be accessible to the user by adding new SIM-based applications
without modifying the handset.
Functionality
SIM Toolkit refers to the functionalities described in the GSM Technical specification 11.14.
It introduces twenty-five commands for the SIM. Three classes of increasing ToolKit functionalities have
been defined, with class 1 offering a subset of commands and class 3 offering the full range of commands
(See table 1 in APPENDIX B).
The SIM Application Toolkit supports:
z
Profile download,
z
Proactive SIM,
z
Data download into SIM.
z
Menu selection,
z
Call control by SIM.
Profile download
The Profile Download instruction is sent by the customer application to the SIM as part of the initialization.
It is used to indicate which SIM Application Toolkit features are supported by the customer application.
The AT commands used for this operation is +STSF (SIM ToolKit Set Facilities).
Proactive SIM
A proactive SIM provides a mechanism whereby the SIM can ask the customer
application to perform certain actions.
These actions include:
z
Display menu,
z
Display given text,
z
Get user input,
z
Send a short message,
z
Play the requested tone,
z
Set up a call,
z
Provide location information.