Siemens M20 Terminal Technical Description page 79

Siemens Information and Communication Products
AT+CPWD Change password
Test command Response
AT+CPWD=? TA returns a list of pairs which present the available facilities and the maximum length of their
password.
+CPWD: list of supported (<fac>, <pwdlength>)s OK
Parameter
<fac>
<pwdlength>
Execute command Response
AT+CPWD = TA sets a new password for the facility lock function.
<fac>, [<oldpwd>],
OK
<newpwd>
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
<fac>
<oldpwd>
<newpwd> new password
Reference Note
GSM 07.07
Version 8 dated 15.03.00
see execute command
integer max. length of password
"SC" SIM (lock SIM card) (SIM asks password in ME power-up and when this lock
command issued)
"AO" BAOC (Bar All Outgoing Calls)
"OI" BOIC (Bar Outgoing International Calls)
"OX" BOIC-exHC (Bar Outgoing International Calls except to Home Country)
"AI" BAIC (Bar All Incoming Calls)
"IR" BIC-Roam (Bar Incoming Calls when Roaming outside the home country)
"AB" All Barring services (applicable only for <mode>=0)
"AG" All outGoing barring services (applicable only for <mode>=0)
"AC" All inComing barring services (applicable only for <mode>=0)
"P2" SIM PIN2
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 be entered.
if <fac> = "SC" then PIN
if <fac> = "AO"..."AC" (Barring) then network password
if <fac> = "P2" then PIN2
Note: a password may already be set, depending on the provider. Please check with
your provider.
AT command interface
A
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