Appendix F – Modem AT Commands
Multi-Tech Systems, Inc. MultiAccess ACS User Guide
63
Command: #CBAn
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.
Command: #CBDn
Callback
Delay
Values:
n = 0–255
Default:
15
Description:
Sets the length of time (in seconds) that the modem waits before calling back the
remote modem.
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.