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2 at^sxsm extended sim access, At^sxsm – Siemens Brodersen MC55 AT User Manual

Page 370

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MC55_ATC_V04.00

Page 370 of 475

3/17/06

Confidential / Released

14.2

AT^SXSM Extended SIM Access

AT^SXSM

extends

AT+CRSM

with additional SIM commands.

All parameters of

AT^SXSM

are used as specified by GSM 11.11

[21]

. MC55 handles internally all required SIM

interface locking and file selection routines.

MC55 may return error result code "+CME ERROR" if the command cannot be passed to the SIM, e.g. if no SIM

is inserted. However, errors related to SIM action are reported in

and

parameters as defined in

GSM 11.11

[21]

.

Syntax

Parameter Description

136

RUN GSM ALGORITHM

Start the authentication mechanism and cipher key generation on the SIM. It

runs the algorithms A3 and A8 using a 16 byte random number and the sub-

scriber authentication key Ki, which is stored in the SIM.

Identifier for an elementary data file on SIM, if used by

.

Parameter to be passed on by the MC55 to the SIM.

Parameter to be passed on by the MC55 to the SIM.

Parameter to be passed on by the MC55 to the SIM.

If

=136 (RUN GSM ALGORITHM):

16 byte random number.

Test Command

AT^SXSM=?

Response(s)

OK

Write Command

AT^SXSM=

[,

[,

,

,

[,

]]]

Response(s)

^SXSM:

,

[,

]

OK

ERROR

+CME ERROR:

PIN

ASC0 ASC1

MUX1

MUX2

MUX3 Charge

Last

%

%

%

%

%

%

!

!

!

(num)

(num)

(num)

(num)

(num)

(str)