this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
"PF" lock Phone to the very First inserted SIM card or USIM card
"SC" lock SIM card or USIM card
"AO" Barr All Outgoing Calls
"OI" Barr Outgoing International Calls
"OX" Barr Outgoing International Calls except to Home Country
"AI" Barr All Incoming Calls
"IR" Barr Incoming Calls when roaming outside the home country
"AB" All Barring services (only for =0)
"AG" All outGoing barring services (only for =0)
"AC" All inComing barring services (only for =0)
"FD" SIM fixed dialing memory feature
"PN" Network Personalization
"PU" network subset Personalization
"PP" service Provider Personalization
"PC" Corporate Personalization
0 – unlock
1 – lock
2 – query status
0 – not active
1 – active
Password.
It is a sum of integers each representing a class of information (default 7):
1 – voice (telephony)
2 – data (refers to all bearer services)
4 – fax (facsimile services)
8 – short message service
16 – data circuit sync
32 – data circuit async
64 – dedicated packet access
128 – dedicated PAD access
255 – The value 255 covers all classes
Examples
AT+CLCK="SC",2
+CLCK: 0
OK
SIM5218_Serial _ATC_V1.36 150
5/15/2012