GSM Module
2.1.27
+CPWD: change password
Description
This command is used to change the password.
Format AT+CPWD=<fac>,<passwd>,<newpasswd>
+CPWD:<fac,length>s
Example AT+CPWD=?
+CPWD:
("SC",8),("P2",8),("AO",4),("OI",4),("OX",4),
("AI",4),("IR",4),("AB",4),("AG",4),("AC",4)
OK
AT+CPWD ="SC","1234","2345"
OK
Check the setting range.
Return the list of parameters;
Change password of SIM card
Parameters
Fac: "SC" SIM card; "AO" all outgoing calls barring; "OI" Outgoing international
calls barring; "OX" Outgoing international calls barring except for local; "AI" all
incoming calls barring; "IR" Incoming roaming barring; "AB" all services barring;
"AG" barring of all outgoing calls; "AC" barring of all incoming calls; "FD" Fixed
dial;
Passwd: password or operation ocde, character string type "***".
newpasswd: new password or operation code, character string type "***".
Length: password length supported by fac.
2.1.28
+CGMI: inquire manufacturer’s information
Description
This command is used to inquire manufacturer’s information.
Format
AT
+
CGMI
Example AT+CGMI
+CGMI: ZTE Mobile LTD
OK
Inquire manufacturer’s information
2.1.29
ATZ: reset
Description
This command is used to read the parameter in NVRAM and set it as the
current parameter.
Format ATZ<n>
Example ATZ0
OK
Reset the parameter correctly.
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