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Chapter 4—AT Commands, S-Registers, Result Codes
Command: #CBDn Callback Delay
Values: n = 0255
Default: 15
Description: Sets the length of time (in seconds) that the modem
waits before calling back the remote modem.
Command: #CBF? C allback Failed Attempts Display
Values: n/a
Description: Requests the number of failed callback passwords since
reset or power-up. Use the &W command to store this
number to nonvolatile memory.
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 Callback Inactivity Timer
Values: n = 1255
Default: 20
Description: Sets 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 = 029
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.