Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  88  2015-08-03 
Response 
TA sets a new password for the facility lock function. 
OK 
Write Command 
AT+CPWD=<fac
>,<oldpwd>,<new
pwd> 
Parameters 
<fac> 
 "AO"  BAOC (Barr All Outgoing Calls) 
 "OI"  BOIC (Barr Outgoing International Calls) 
  "OX"  BOIC-exHC (Barr Outgoing International Calls 
except to Home Country) 
  "AI"   BAIC (Barr All Incoming Calls) 
  "IR"  BIC-Roam (Barr Incoming Calls when Roaming 
outside the home country) 
  "AB"  All Barring services 
  "P2" SIM PIN2 
  "SC" SIM (lock SIM/UICC card) (SIM/UICC asks password 
in MT power-up and when this lock command issued) Correspond to PIN1 
code. 
<oldpwd>   String type (string should be included in quotation marks): 
password specified for the facility from the user interface or with 
command. If an old password has not yet been set, <oldpwd> is not to 
enter. 
<newpwd> String type (string should be included in quotation marks): 
new password 
Parameter Saving 
Mode 
NO_SAVE 
Max Response 
Time 
15s 
Reference 
3GPP TS 27.007
[13] 
Note 
3.2.30 AT+CR Service Reporting Control 
AT+CR Service Reporting Control 
Response 
+CR: (list of supported <mode>s) 
OK 
Test Command 
AT+CR=? 
Parameters 
See Write Command 
Read Command 
AT+CR? 
Response 
+CR: <mode> 
OK 










