Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 75 2012.12.10
OK
Parameters
<fac> See Write Command
<pwdlength> Integer max. length of password
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
Reference
GSM 07.07 [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=?
Parameter
See Write Command
Read Command
AT+CR?
Response
+CR: <mode>