6 Callback Security
65
MultiModemZBA-V-V92 User Guide
Command: &Z
y=[+][-]x[,???]
Store Dialing Command
Values:
y
= 0–29 (callback security enabled)
x
= Dialing command string
Default: None
Description: Stores dialing command
x
in memory location
y
. The command
string must begin with AT, and can have up to 35 characters.
The telephone number in the command must be preceded by
D, DT, or DP. Example: AT&Z0=+-ATM0D5551212,???.
During a call, if the + or - character is not entered after the
password, the modem will call back the stored number. This
command can be used only after the setup password has been
entered and callback security enabled.
Options: + Number entry. Enables the caller to enter a new callback number
during password entry. The + character must be the first or
second character in the command string.
- Direct connection. Enables the caller to choose a direct
connection (no callback) during password entry. The - character
must be the first or second character in the command string.
,??? Extension entry. Enables the caller to enter an extension number
during password entry. The + character must be the first or
second character in the command string. The ? characters must
follow a comma at the end of the string, and there must be one for
each digit in the extension. If the ? characters are included in the
dialing command, it is not possible for the caller to enter a new
callback number, only an extension for the programmed
callback number.
Command: %H
n
Direct Connect Enable
Values:
n
= 0, 1
Default: 0
Description: %H0 Sets callback security to normal operation.
%H1 All callback security calls will be direct connect regardless of
whether the password or phone number has the - character.