LE910-SKG AT commands reference guide
80437ST10619A Rev.1 – 2014-09-16
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 90 of 273
+CRSM - Restricted SIM Access
AT+CRSM=
<command>
[,<fileid>
[,<P1>,<P2>,<P3>
[,<data>[,<pathid>]]]]
Execution command transmits to the
ME
the SIM
<command>
and its required
parameters.
ME
handles internally all
SIM-ME
interface locking and file selection
routines. As response to the command,
ME
sends the actual SIM information
parameters and response data.
Parameters:
<command>
- command passed on by the
ME
to the SIM
176 - READ BINARY
178 - READ RECORD
192 - GET RESPONSE
214 - UPDATE BINARY
220 - UPDATE RECORD
242 - STATUS
<fileid>
- identifier of an elementary data file on SIM. Mandatory for every
command except STATUS.
<P1>
,
<P2>
,
<P3>
- parameter passed on by the ME to the SIM; they are mandatory
for every command except GET RESPONSE and STATUS
0..255
<data>
- information to be read/written to the SIM (hexadecimal character format).
< pathid>
- string type; contains the path of an elementary file on the SIM/UICC in
hexadecimal format. The <pathid> shall only be used in the mode
"select by path from MF"
(e.g. "7F205F70").
The response of the command is in the format:
+CRSM: <sw1>,<sw2>[,<response>]
where:
<sw1>
,
<sw2>
- information from the SIM about the execution of the actual
command either on successful or on failed execution.
<response>
- on a successful completion of the command previously issued it gives
the requested data (hexadecimal character format). It’s not returned
after a successful UPDATE BINARY or UPDATE RECORD
command.
Note: this command requires PIN authentication. However commands READ
BINARY and READ RECORD can be issued before PIN authentication and if the
SIM is blocked (after three failed PIN authentication attempts) to access the
contents of the Elementary Files.
Note: use only decimal numbers for parameters
<command>
,
<fileid>
,
<P1>
,
<P2>
and
<P3>
.
Summary of Contents for LE910-SKG
Page 1: ......
