
Chapter 6 - Callback Security
39
Multi-Tech Systems, Inc. MT5600BA/BL Series User Guide (S000276E)
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The following AT commands are used with callback security.
Command:
#DB
n Callback Enable/Disable
Values:
n = 0 or 1
Default:
0
Description:
Enables or disables callback security. When callback security
is enabled, phone number memory locations 0–4, used for
quick dialing and DTR dialing, become unavailable and are
replaced by callback security memory locations 1–30. The
phone number memory locations and their contents are
restored when callback security is disabled.
#DB0 Disables callback security.
#DB1 Enables callback security.
Command
: #CBN
y=
[
-
]
x Store Callback Number
Values:
y = 01–30
x = dialing string
Default:
None
Description:
Stores the callback dialing string
x
in memory location
y
. The
dialing string can include the digits
0
through
9
and any of the
following characters:
#
,
*
, comma (
,
), semicolon (
;
),
W
,
A
,
B
,
C
,
and
D
. Up to 30 characters can be used. Example:
AT#CBN01=9,16127853000
. If the optional
-
character
precedes the dialing string, and the caller appends the same
character to the password, the caller is connected immediately,
and the hangup and callback are skipped.
Command:
#CBP
y=x Store Callback Password
Values:
y = 01–30
x = password (6–10 characters)
Defaults:
None
Description:
Stores callback security password
x
in memory location
y
. The
password must have 6 to 10 characters.
Note:
A direct connect password may not end with a hyphen (-).