User manual

Wavecom GSM Modem

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4.11. Change password +CPWD

This command shall be used by the application to change the PIN

The facility "SC" means SIM card. Other network facilities (Call barring,

SIM or network lock) will use the same AT command.

For the network lock ("WNL"), the unlock is forbidden after 10 failed

attempts to disable (unlock) the network lock with an incorrect password.

Application to GSM AT+CPWD=? Possible values

GSM to application +CPWD: ("PS", 8),("SC", 8),("AO",

4),("OI", 4), ("OX", 4),("AI", 4),("IR", 4),

("AB", 4), ("AG", 4), ("AC", 4), ("WNL",

PIN must be on 8 digits

maximum

Application to GSM AT+CPWD="SC",1234,5555 change PIN

GSM to application OK PIN iwas good

Application to GSM AT+CPWD="SC",1234,5555 Change PIN

GSM to application +CME ERROR: 16 PIN was wrong

Application to GSM AT+CPIN=5555 Enter PIN

GSM to application OK PIN was good

Application to GSM AT+CPWD="WNL",12345678,

00000000

change NCK

GSM to application OK NCK changed for net lock

4.12. Select phonebook memory storage +CPBS

This command selects phonebook memory storage. The only available

phonebook is the SIM phonebook (" SM ")

Application to GSM AT+CPBS=? Possible values

GSM to application +CPBS: ("SM")

SIM phonebook supported

Application to GSM AT+CPBS ? Status

GSM to application +CPBS : "SM",10,20

SIM phonebook selected,

10 used locations, 20

locations