TC63 AT Command Set
5.8 AT^SCSL
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TC63_ATC_V00.490 Page 130 of 501 5/24/05
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5.8 AT^SCSL Customer SIM Lock
AT^SCSL is a Siemens defined command especially designed to manage the Customer SIM Lock feature. This
feature allows application manufacturers to lock a mobile to specific operators by activating a Network Person-
alization ("PN"). If the lock is enabled the mobile will accept only SIM cards from the given operators.
The Customer SIM Lock is protected by two different passwords:
• <password> = Network Personalisation password "CM" defined with AT^SPWD and necessary for program-
ming the Customer SIM Lock with AT^SCSL.
• <PUK> = Lock/Unlock Code defined with AT^SCSL and used to set the Customer SIM Lock with AT^SCSL.
Also used to deactivate a given lock or activate a new one via AT+CLCK or AT^SLCK. The PUK may be pro-
visioned to the end user.
The AT^SCSL write command serves to configure a Customer SIM Lock and to query the current settings.
Syntax
Parameter Description
“PN“ Network Personalisation (= Customer SIM Lock)
Set or remove a Customer SIM Lock, or list the locks currently activated.
0 Remove the given Customer SIM Lock from ME.
Required parameters: <facility>="PN", <action>=0, <password>.
Removing the Customer SIM Lock deletes both the <PUK> and all <data>, i.e.
the entire list of operators.
1 Write Customer SIM Lock data to the ME and activate the lock.
Required parameters: <facility>="PN", <action>=1, <password>,
<PUK>, <data>.
2 Retrieve the list of operators the ME is currently locked to.
Required parameters: <facility>="PN", <action>=2, <password>.
Test Command
AT^SCSL=?
Response(s)
OK
Write Command
AT^SCSL=<facility>, <action>, <password>[, <PUK>, <data>]
Response(s)
OK
ERROR
CME ERROR
If <action>= 2 and command successful:
^SCSL: <data>[:<data>:<data>: ...]
If <action>= 2 and operator list is empty:
^SCSL:
Reference(s) PIN ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge 4 Last
Siemens ! % % % % % % ! % !
<facility>
(str)
<action>
(num)
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