GPRS module at Instruction Set (4)

Iv. Security commands

At + cpin	Enter the pin.
At + cpin2	Enter pin2.
At + cpinc	The remaining attempt number of the pin.
At + clck	Device lock.
At + CPWD	Change the password.

V. Phone Book commands

At + CPBS	Select phone book storage. At + CPBS? + CPBS: "SM"
At + cpbr	Read the phone book table.
At + cpbf	Find the phone book table.
At + cpbw	Write the phone book table.
At + cpbp	Phone Book telephone query.
At + cpbn	Mobile phone book action. This special command moves the entries in the phone book forward or backward (in alphabetical order)
At + cnum	The signatory number.
At + waip	Prevent all phone books from being initialized during the next restart.
At + wdcp	Delete the call phone number. None
At + csvm	Set the voice mail number.