Examples: Enabling / Disabling Pin 1 Authentication; Examples: Phone Lock - Siemens TC37 Module At Command Reference

AT Command Set
<status> 0 off
Reference Note
GSM 07.07 *# codes sent with ATD cannot be used to enter the Master Phone Code.

4.18.1 Examples: Enabling / disabling PIN 1 authentication

Example 1 To lock or unlock the SIM card: The "SC" parameter enables or disables the
SIM PIN authentication (PIN 1) when you power up the GSM engine:
AT+CLCK="SC",1,9999
OK
AT+CLCK="SC",0,9999
OK
Example 2
To query the status of the SIM card lock:
AT+CLCK="SC",2
+clck: 1

4.18.2 Examples: Phone lock

Example 1 Be sure that PIN 1 authentication is valid:
AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN=9999
OK
TC3X_ATC_01_V04.00
32 data circuit async
64 dedicated packet access
128 dedicated PAD access
x combination of some of the above classes.
For example, the default setting 7 represents the sum of the
integers 1, 2 and 4 (call barring for voice, data and fax). The
value 255 covers all classes. If the <class> parameter is
omitted, the default value 7 is used.
See examples in 4.18.3 for the correct handling of class numbers.
1 on
Activates SIM card lock.
As a result, SIM PIN 1 must be entered to
enable ME to register to the GSM network.
Unlocks SIM card.
When powered up, ME registers to the GSM
network without requesting SIM PIN1.
Note: Depending on the services offered by the
provider, this feature is not supported by all
SIM card types. If so, the command returns
ERROR when you attempt to unlock the card.
SIM card is locked. SIM PIN1 must be entered
to enable ME to register to the GSM network.
Page 77 of 204 29.05.2002