Specifications

Chapter 23 – Sprint® Specific AT Commands
Multi-Tech Systems, Inc. CDMA AT Commands Reference Guide (PN S000294K) 189
Display PRI Checksum +WSUM
Description: This command is used to display the PRI checksum value. This checksum value is calculated and
programmed into the modem at the time of manufacture. The checksum value is not updated or changed if a
user modification is made to any of the PRI settings.
Syntax: Command syntax: +WSUM?
Command Possible Responses
AT+WSUM?
Note: Display checksum value.
+WSUM: 0004DDCF
OK
Note: The displayed value is a eight digit hexadecimal number.
Reset MIN and MDN to Factory Defaults +WRMM
Description: This command is used to reset MIN and MDN to their factory default values. The service programming code
must be successfully entered using the +WSPC command prior to using the +WRMM command. The
modem must be manually reset or power cycled following the use of the +WRMM command.
Syntax: Command syntax: +WRMM
Command Possible Responses
AT+WRMM
Note: Reset MIN and MDN to factory defaults.
OK
Note: Command successful.