Chapter 14 – SIM Toolkit
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 142
SIM Toolkit Indication +STIN or +STRIL
Unsolicited Result
In order to allow the customer application to identify the pro-active command sent via SIM Toolkit, a mechanism of
unsolicited SIM Toolkit indications (+STIN) is implemented.
Syntax: AT+STIN: <CmdType>
Option: <CmdType>
0 Indicates that a ‘Setup Menu’ pro-active command has been sent from the SIM.
1 Indicates that a ‘Display Text’ pro-active command has been sent from the SIM.
2 Indicates that a ‘Get Inkey’ pro-active command has been sent from the SIM.
3 Indicates that a ‘Get Input’ pro-active command has been sent from the SIM.
4 Indicates that a ‘Setup Call’ pro-active command has been sent from the SIM.
5 Indicates that a ‘Play Tone’ pro-active command has been sent from the SIM. (*)
6 Indicates that a ‘Sel Item’ pro-active command has been sent from the SIM.
7 Indicates that a ‘Refresh’ pro-active command has been sent from the SIM. (*)
8 Indicates that a ‘Send SS’ pro-active command has been sent from the SIM. (*)
9 Indicates that a ‘Send SMS’ pro-active command has been sent from the SIM. (*)
10 Indicates that a ‘Send USSD’ pro-active command has been sent from the SIM. (*)
11 Indicates that a ‘SETUP EVENT LIST’ pro-active command has been sent from the SIM.
93 An “SMS-PP Download” failed due to SIM BUSY
94 An “SMS-PP Download” failed due to SIM ERROR
98 Indicates the timeout when no response from user.
99 Indicates that a “End Session” has been sent from the SIM.
(*) if the automatic response parameter is activated, this indication is followed by the corresponding +STGI
response.
Second SIM Toolkit Indication
If the customer application needs to exchange a SIM Toolkit message directly with the SIM card, the second
indication (+STRIL) gives the full command string provided by the SIM.
Values: <CmdTreated>
0 The command must be treated by the application
1 The is already treated by the modem
<Command string> string type: SIM command string in hexadecimal format.
Syntax: +STRIL: <CmdTreated>,<Command string>
Last SIM Toolkit Indication
The last SIM Toolkit indication sent by the SIM can be requested by the AT+STIN? command. This command is
only usable between the sending of the STIN indication by the SIM (Step 2, Messages exchanged during a SIM
Toolkit operation) and the response of the user with the +STGI command (Step 3).
Syntax: Command syntax: AT+STIN?
Command Possible responses
AT+STIN?
Note: Ask for the last SIM Toolkit
indication sent by the SIM
+STIN: 0
OK
Note: the last SIM Toolkit indication was a Setup Menu
AT+STGI=0 Note: Display the SIM Toolkit application menu
AT+STIN?
Note: Ask for the last SIM Toolkit
indication sent by the SIM
+CME ERROR: 4
Note: Operation not supported. The +STGI command has
been already used
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