TC35i AT Command Set
12. SIM related Commands
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TC35i_ATC_V02.07 Page 326 of 439 1/30/04
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12. SIM related Commands
The AT Commands described in this chapter are related to the Subscriber Identity Modul (SIM) connected to the
TC35i.
12.1 AT+CRSM Restricted SIM Access
Syntax
Command Description
By using this command the TE has access to Elementary Files on the SIM. Access to the SIM database is
restricted to the commands which are listed at
<command>.
As response to the command the ME sends the current SIM information parameters and response data. ME error
result code +CME ERROR may be returned if the command cannot be passed to the SIM, e.g. if the SIM is not
inserted. However, errors related to SIM data are reported in
<sw1> and <sw2> parameters as defined in GSM
11.11.
This command requires PIN authentication. However, using
<command> READ BINARY and <command> READ
RECORD is possible before PIN authentication and if the SIM is blocked (state after three failed PIN authentica-
tion attempts) to access the contents of the following Elementary Files:
Test Command
AT+CRSM=?
Response(s)
OK
Write Command
AT+CRSM=<command>[, <fileID>[, <P1>, <P2>, <P3>[, <data>]]]
Response(s)
+CRSM: <sw1>,<sw1>,[<response>]
OK
ERROR
+CME ERROR: <err>
PIN ASC0 MUX1 MUX2 MUX3
§ % % % %
Reference(s)
GSM 07.07
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