LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 62 / 231
Example
AT+CLCK="SC",2
//Query the status of (U)SIM card
+CLCK: 0
//The (U)SIM card is unlocked (OFF)
OK
AT+CLCK="SC",1,"1234"
//Lock (U)SIM card, and the password is 1234
OK
AT+CLCK="SC",2
//Query the status of (U)SIM card
+CLCK: 1
//The (U)SIM card is locked (ON)
OK
AT+CLCK="SC",0,"1234"
//Unlock (U)SIM card
“IR”
BIC-Roam (Bar Incoming Calls when Roaming outside the home country) (refer
to
3GPP TS 22.088
clause 2
).
“AB”
All Barring services (refer to
3GPP TS 22.030
) (applicable only for
<mode>
=0).
“AG”
All outgoing barring services (refer to
3GPP TS 22.030
) (applicable only for
<mode>
=0).
“AC”
All incoming barring services (refer to
3GPP TS 22.030
) (applicable only for
<mode>
=0).
“FD”
SIM card or active application in the UICC (GSM or USIM) fixed dialing memory
feature (if PIN2 authentication has not been done during the current session,
PIN2 is required as
<passwd>
).
“PF”
Lock Phone to the very first inserted SIM/UICC card (also referred in the present
document as PH-FSIM) (MT asks password when other SIM/UICC cards are
inserted).
“PN”
Network Personalization (refer to
3GPP TS 22.022
)
“PU”
Network Subset Personalization (refer to
3GPP TS 22.022
)
“PP”
Service Provider Personalization (refer to
3GPP TS 22.022
)
“PC”
Corporate Personalization (refer to
3GPP TS 22.022
)
<mode>
0
Unlock
1 Lock
2 Query status
<passwd>
Password
<class>
1 Voice
2 Data
4 FAX
7 All telephony except SMS (Default)
8 Short message service
16 Data circuit synchronization
32 Data circuit asynchronization
<status>
0 Off
1
On
