Chapter 7 - SIM Card Operational Commands

Change Password +CPWD

Description: This command is used by the application to change a password, PIN1or PIN2. The “SC” and “P2” facilities are available only in builds, which include stet support.

Values:

The following <fac> values are supported:

 

“SC”: PIN1

 

 

“P2”: 7.6.2 PIN2

 

 

<oldpwd>

 

 

Current PIN1 or PIN2 password

 

<newpwd>

 

 

Desired PIN1 or PIN2 password

Syntax:

Command syntax: AT+CPWD= <fac>, <oldpwd>, <newpwd>

 

Command

Possible Responses

 

AT+CPWD=”SC”,1234,5555

OK

 

Note: Change stet PIN1

Note: PIN1 now 5555

 

AT+CPWD=”SC”,1234,5555

+CME ERROR: 16

 

Note: Change stet PIN1

Note: PIN incorrect

 

AT+CPWD?

+CPWD:(“SC”,8),(“P2”,8)

 

Note: Get status

OK

 

 

Note: PIN1 & PIN2 passwords are supported with 8 digit maximum

Card Identification +CCID

Description: This command is used to display the SIM card ESN. The data is output in hexadecimal format. If there is no ESN present on the SIM card, only the OK portion of the message will be output.

Syntax:

Command syntax: AT+CCID

 

 

Command

Possible Responses

 

AT+CCID

+CCID: C3729F82

 

Note: Get card ID

Note: ESN is presented in hexadecimal format.

 

AT+CCID?

+CCID: C3729F82

 

Note: Get current value

Note: Same result as +CCID

 

AT+CCID=?

OK

 

Note: Get possible value

Note: No parameter but this command is valid.

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C

54

Page 54
Image 54
Multi-Tech Systems CDMA Wireless Modem manual Change Password +CPWD, Card Identification +CCID, Oldpwd, Newpwd