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Multi-Tech Systems MMCModem GPRS (MTMMC-G) User Manual

Page 147

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Chapter 14 – SIM Toolkit

Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)

147

Values when CmdType=0 (Select an item from the main menu)

1

Item selected by the user.

2

Help information required by user.

Contains the item identifier of the item selected by the user.

Values when CmdType=1 (Confirm the display text clearing)

No values.

Values when CmdType=2 (Get Inkey)

0

Session ended by user.

1

Response given by the user.

2

Help information required by user.

Contains the key pressed by the user.

Values when CmdType=3 (Get Input)

0

Session ended by user.

1

Response given by the user.

2

Help information required by user.

Contains the string of characters entered by the user.

Note:

For Inputs in UCS2 format, the data are entered in ASCII format. Example: For
“8000410042FFFF” entered, the SIM receives 0x00 0x41 0x00 0x42 with UCS2 DCS. (See the
Appendix G about the different UCS2 syntaxes).

Values when CmdType=4 (Setup call)

0

User refuses the call.

1

User accepts call.

Values when CmdType=6 (Select Item)

0

Session terminated by the user

1 Item selected by the user
2

Help information required by the user

3

Return to the back item

Contains the item identifier selected by the user

Values when CmdType=11 (Setup Event List)

1

Idle screen available.

2

User activity event.


Sending a Terminal Response to the SIM:

Values when CmdType=95 (

Backward Move)

Values when CmdType=96 (

Command beyond ME capabilities)

Values when CmdType=97 (

ME currently unable to process command)

Values when CmdType=98 (

No response from the user)

Values when CmdType=99 (

SIM Toolkit Session aborting by the user)

No values.
It is possible to send a Terminal Response after the

+STIN indication (step 2, of Messages exchanged during a SIM

Toolkit operation), or after the

+STGI command (step 3).

Note:

For the SETUP MENU Proactive Command, it is only possible to send a Terminal Response after the

+STIN:

0 indication, not after a +STGI=0 request. All of the Terminal Responses are not possible with all of the
Proactive Commands. Compatibility between available Terminal Responses and Proactive Commands is
given in Appendix D, Table 2. If a Terminal Response is attempted during a incompatible Proactive Command
session, a

+CME ERROR: 3 will be returned.

Possible error codes

+CME ERROR: 3

Operation not allowed. This error is returned when a wrong parameter is detected.

+CME ERROR: 4

Operation not supported. This error is returned when the user gives a response with
SIM Toolkit functionality not activated. Or if the SIM Toolkit indication (+STIN) has not
been received.

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