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Callback Security Commands
The following AT commands are used with callback security. Most can
be entered only after the setup password has been entered.
Command: #CBA
n
Callback Attempts
Values:
n
= 1–255
Default: 4
Description: Sets the number of callback attempts that are
allowed after passwords have been exchanged
between modems.·This command can be entered
after the setup password has been entered and
callback security is enabled.
Command: #CBD
n
Callback Delay
Values:
n
= 0–255
Default: 15
Description: Sets the length of time (in seconds) that the mo-
dem waits before calling back the remote modem.
This command can be entered after the setup
password has been entered and callback security
is enabled.
Command: #CBF? Callback Failed Attempts Display
Values: n/a
Default: n/a
Description: Displays the number of failed callback passwords
since reset or power-up. This number can be
stored to nonvolatile memory using the
&W
com-
mand. This command can be entered after the
setup password has been entered and callback
security is enabled.