MC55 AT Command Set
5.6 AT+CPWD s
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MC55_ATC_V01.05 Page 122 of 469 2/10/04
Confidential / Released
5.6 AT+CPWD Change Password
Use this command when you want to change the passwords defined for the "facility lock" function s available from
AT+CLCK. A password consists of a string of numeric digits with a length in the range spe cified by <password
length>.
Specifically the command can be used to
• change PIN1 or PIN2,
• change the password supplied from your provider for the "ca ll barring" supplementary service,
• set individual phone security passwords,
• enter the unblocking key (Master Phone Code) to restore a disabled "PS" password.
See AT commands AT+CLCK and AT^SLCK for more information on the various lock features.
Syntax
Command Description
The test command returns a list of pairs which represent the available facilities and the max imum length of the
associated password.
The write command allows to define a new password for a password pr otected <facility> lock function. Each
password is a string of digits, the length of which varies with the associated <facility>.
Test Command
AT+CPWD=?
Response(s)
+CPWD:(list of supported (<facility>, <password length>)
OK
Write Command
AT+CPWD=<facility>, <old password>[, <new password>]
Response(s)
New password has been registered for the facility lock function.
OK
If parameter <old password> was not correct:
+CME ERROR 16 (+CME ERROR: incorrect password)
If the password for the selected <facility> has been invalidated due to too many failed attempts:
+CME ERROR ...
If error is related to ME functionality:
+CME ERROR
PIN ASC0 ASC1 MUX1 MUX2 MUX3
% % % % % %
Reference(s)
GSM 07.07