Siemens MC55 AT At+Cpin? +Cpin Sim Pin, AT+CPIN=1111, At+Cpin? +Cpin Ph-Sim Pin, AT+CPIN=3333

EXAMPLE 2
	Phone lock (<facility>="PS")
	AT+CPIN?	Make sure that PIN1 authentication is valid.
	OK

To lock the ME to the currently inserted SIM card, first specify a password for <facility> "PS":

AT+CPWD="PS",,"1234" If "PS" lock has not been set before: enter new password.

OK

Optionally, if "PS" password was defined before, change existing password: AT+CPWD="PS","1234","3333" To replace existing "PS" password: Enter old and new password.

OK

Then, activate the Phone Lock:

AT+CLCK="PS",1,"3333" Locks the mobile to the current SIM card.

OK

To operate the mobile with the SIM card for which "PS" lock was activated:

AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN="9999"	No additional password is required for operation (SIM recognized by
OK
	mobile).

To operate the mobile with other SIM card than the one used for the "PS" lock:

Enter SIM PIN of present card, followed by "PS" lock password.

AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN="1111"
OK	PIN authentication accepted.
AT+CPIN?
+CPIN: PH-SIM PIN	"PS" lock password is required.
OK
AT+CPIN="3333"
OK	"PS" Lock password has been accepted. ME is fully operational now.
To deactivate the Phone Lock:
AT+CLCK="PS",0,"3333"	Phone Lock password has to be provided again.
OK	Now the mobile can be used with any SIM card, without the need of the
	phone lock password.

MC55_ATC_V04.00	Page 113 of 475	3/17/06
Confidential / Released