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TC63_ATC_V00.490

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This chapter offers a brief reference of commands and responses related to the TC63's SIM Application Toolkit

(SAT) implementation. Detailed information is available with the document "Remote-SAT User Guide" 

. Please

contact the Wireless Modules Application Engineering Department at Siemens AG for details. 

ETSI specification GSM 11.14 

 defines SAT in detail. 

SAT allows for the execution of applications provided by a Subsciber Identity Module (SIM). Usually SIM cards

are used for storing GSM network provider and user specific data, e.g. phonebook entries and Short Messages

(SMS). However, a SIM card may also hold a SIM Application. 

Since the TC63 has SAT functionality it is able to execute the commands issued by applications implemented

on a network provider specific SIM card. 

Two groups of commands are used between the ME and the SIM Application: 
• Proactive Commands are issued to the TC63's SAT from the SIM Application, such as "DISPLAY TEXT". 
• Envelope Commands are responded to the SIM Application from the TC63, such as "MENU SELECTION". 

The read command can be used to request the current operating status and the used alphabet of the Remote-

SAT interface. 
The write command is used to activate the AT command interface of the SIM Application Toolkit in the TC63 and

needs to be issued after every power on. However, removing and inserting the SIM does not affect the activation

status.

SAT commands which are not using the AT interface (non MMI related SAT commands , e.g. PROVIDE LOCAL

INFORMATION) could be executed without activating Remote-SAT. 

Test Command

AT^SSTA=?

Response(s)

^SSTA:

(list of supported 

s), (list of supported 

s)

OK

Read Command

AT^SSTA?

Response(s)

, 

, 

OK

Write Command

[, 

]

Response(s)

OK

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

4

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