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Chapter 5 – AT Commands, S-Registers, and Result Codes
SocketModem Global MT5634SMI Developer’s Guide 39
Command: #CBF? Callback Failed Attempts Display
Values: n/a
Default: n/a
Description: Requests the number of failed callback passwords since reset or power-up. This number
can be stored to nonvolatile memory using the &W command.
Command: #CBFR Callback Failed Attempts Reset
Values: n/a
Default: n/a
Description: Resets the number of failed callback passwords to 0. This does not reset the number stored
in nonvolatile memory.
Command: #CBIn Local Callback Inactivity Timer
Values: n = 1–255
Default: 20
Description: Sets the time (in minutes) that the modem waits for a command before forcing the user to
enter the setup password again.
Command: #CBNy=x Store Callback Password
Values: y = 0–29
x = password
Defaults: None
Description: Sets the callback security password for the y memory location. The password must have 6
to 10 characters, and cannot include the + or - characters.
Command: #CBPn Callback Parity
Values: n = 0, 1, or 2
Default: 0
Description: Sets parity for the callback security messages.
#CBP0 No parity.
#CBP1 Odd parity.
#CBP2 Even parity.
Command: #CBRy Callback Security Reset
Values: y = 0–29
Default: None
Description: Clears the password and phone number in the y memory location.
Command: #CBSn Callback Enable/Disable
Values: n = 0, 1, 2, or 3
Default: 0
Description: #CBS0 Disables callback security.
#CBS1 Enables local and remote callback security.
#CBS2 Enables remote callback security only.
#CBS3 Disables callback security until local hangup or reset.
Command: #Pn Set 11-bit Parity
Values: n = 0 or 1
Default: 2
Description: #P0 No parity.
#P1 Odd parity.
#P2 Even parity.
Command: #Sx Enter Setup Password
Values: x= password (1–8 characters, case sensitive)
Default: MTSMODEM
Description: Enters the callback security setup password.
Command: #S=x Store Setup Password
Values: x= password (1–8 characters, case sensitive)
Default: MTSMODEM
Description: Stores a new callback security and remote configuration setup password.