iTegno 39XX GPRS Modem
AT Commands Guide
02000C17
•
v1.5
Confidential
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document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd. © 2011, 2012 iWOW
Connections Pte Ltd
148
10.12
Generic SIM CSIM
Description:
This command allows direct control of the SIM by an application on TE. It transmits the <command> to SIM
through MT. The subsequent <response> is returned by the SIM to MT.
The user shall then take care of processing SIM information within the frame specified by GSM as specified in
GSM 11.11 (or 3GPP TS 51.011)
Note:
This command allows for more SIM- MT interface control as compared to +CRSM command.
A special <command> value is required to lock and unlock the interface or automatically by TA/MT (which
interprets the <command> parameter>. If TE application does not unblock code within a certain time-out
period, MT may release the locking.
Syntax:
AT+CSIM=<length>,<command>
Command
Possible Responses
AT+CSIM=<length>,<comm
and>
+CSIM: <length>,<response>
OK
+CME ERROR: <err>
AT+CSIM= ?
OK
Defined values:
<length> Integer type. Length of characters sent to TE in <command> or <response>
(twice the actual length of command or response)
<command>
command passed on by MT to SIM in hex format
<response>
Response returned from SIM to MT in hexadecimal character format (refer to +CSCS).
Format of command as described in GSM 51.011.