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6 Callback Security
59
MultiModemZBA-V-V92 User Guide
To Assign Callback Passwords and Phone Numbers
1. Open a data communications program such as HyperTerminal or PhoneTools.
2. In the terminal window, type AT#S
xxxxxxxx
, where
xxxxxxxx
is your password, and press
ENTER. The modem responds with
OK
if the setup password is correct, and
ERROR
if it is wrong.
3. Enable callback security by typing AT#CBS1 or AT#CBS2 and pressing ENTER.
4. To store a callback password for the first callback memory location, type AT#CBN0=
xxxxxxxx
,
where
xxxxxxxx
is the first password, and press ENTER. The password must be unique, must be
six to eight characters, in length, and must not contain a + or - character.
5. To store a callback password for the second callback memory location, type
AT#CBN1=
xxxxxxxx
, where
xxxxxxxx
is the second password, and press ENTER. Note that the
memory location number in the command is incremented by one.
6. Repeat as many times as necessary, up to memory location 29, until all passwords have been
entered.
7. To store a callback phone number in the first memory location, type AT&Z0=[+][-
]AT
xxxxxxxx
[
,
???], where
xxxxxxxx
is the dialing string, and press ENTER. The phone number
must be preceded by DT, for tone dialing, or DP, for pulse dialing. The dialing string can also
include other AT commands. Example: AT&Z0=+-ATM0DT5551212. Up to 35 characters can be
used. The +, -, and ??? characters are optional:
+ Number entry. Add if you want a mobile caller to be able to enter his current phone
number for callback.
- Direct connection. Add if you want a caller to be able to choose to connect directly
without being called back.
,??? Extension entry. Must be used with the + command. Add if you want a caller to be able
to enter an extension number for callback. The number of ? characters should equal
the number of digits in the extension.
8. To store a callback phone number in the second memory location, type AT&Z1=[+][-
]AT
xxxxxxxx
[
,
???], where
xxxxxxxx
is the dialing string, and press ENTER. Note that the memory
location number in the command is incremented by one.
9. Repeat as many times as necessary, through memory location 29, until all dialing strings have
been entered.
10. To review your entries, type AT&V and press ENTER.
Note: A form is provided on the last page of this chapter to help you plan or keep track of password
and phone number assignments.