Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 483)

SIM ToolKit Commands
Overview of SIM Application ToolKit
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WM_DEV_OAT_UGD_049 - 001 VOLUME 3 August 23, 2007
19 SIM ToolKit Commands
19.1 Overview of SIM Application ToolKit
19.1.1 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 Wireless CPU ® .
19.1.2 Functionality
SIM ToolKit refers to the functionalities described in the GSM Technical specification
11.14 [20] .
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 (Please refer to section "Support of SIM
ToolKit by the M.E." in the Appendixes).
The SIM Application ToolKit supports:
• profile download,
• proactive SIM,
• data download into SIM,
• menu selection,
• call control by SIM.
19.1.3 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
is supported by the customer application.
The AT command used for this operation is +STSF (SIM ToolKit Set Facilities).