MT5634IND-NAM Multi-Tech Systems, MT5634IND-NAM Datasheet - Page 16

• Manufacturer Part Number: MT5634IND-NAM
• Description: MODEM V.92 DATA/FAX US BUNDLE
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® INDr

Specifications of MT5634IND-NAM

• Data Format: V.92
• Voltage - Supply: 6 V ~ 48 V
• Mounting Type: Desktop
• Package / Case: 4.3" L x 2.4" W x 0.9" H (110mm x 61mm x 24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Other names: 881-1130

Setting Callback Security Message Parity
The password prompt and messages parity must match the parity of the computer to which the modem is connected.
Assigning Callback Passwords and Phone
Numbers
Calling Procedures
Use the following procedures to call a modem that has callback security enabled. Note that Autoanswer must be
enabled on the calling modem (S0=1).
Multi-Tech Systems, Inc. MT5634IND User Guide (S000369C)
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Password-Only Callback
Use this procedure when calling from a fixed location.
Open a data communications program such as
In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press Enter. The modem
responds with OK if the setup password is correct and ERROR if it is wrong.
The modem’s parity default value is No parity (AT#CBP0). To change the modem’s default to use even
parity, type AT#CBP2. Press Enter. For odd parity, type AT#CBP1. Press Enter.
To store the new parity value, type AT&W. Press Enter.
Open a data communications program such as PhoneTools.
In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press Enter. The modem
responds with OK if the setup password is correct and ERROR if it is wrong.
Enable callback security by typing AT#CBS1 or AT#CBS2 and pressing Enter.
To store a callback password for the first callback memory location, type AT#CBN0=xxxxxxxx, where
xxxxxxxx is the first password. Press Enter. The password must be unique, must be six to eight characters
in length, and must not contain a + or - character.
To store a callback password for the second callback memory location, type AT#CBN1=xxxxxxxx, where
xxxxxxxx is the second password. Press Enter. Note that the memory location number in the command is
incremented by one.
Repeat as many times as necessary, up to memory location 29, until all passwords are entered.
To store a callback phone number in the first memory location, type AT&Z0=[+][-]ATxxxxxxxx[,???], where
xxxxxxxx is the dialing string. 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:
+
-
,??? Extension entry. Must be used with the + command. Enables a caller to enter an extension number
To store a callback phone number in the second memory location, type AT&Z1=[+][-]ATxxxxxxxx[,???],
where xxxxxxxx is the dialing string, and press Enter. Note that the memory location number in the
command is incremented by one.
Repeat, through memory location 29, until all dialing strings are entered.
To review your entries, type AT&V and press Enter.
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Number entry. Enables a mobile caller to enter his current phone number for callback.
Direct connection. Enables a caller to choose direct connection without being called back.
for callback. The number of ? characters must equal the number of digits in the extension.
Using a data communications program such as PhoneTools, dial the number of the callback modem.
When the connection is established, the callback modem responds with the following message:
Password>
Type the password corresponding to the phone number for your modem. Press Enter. You have
three attempts or one minute to enter a valid password.
If the password is valid, the following message appears, and the modems disconnect:
OK Disconnecting
After the delay specified by the #CBDn command, the callback modem calls the number associated
with the password. If the callback modem is unable to establish a connection, it tries again, up to the
number of attempts specified by the #CBAn command.
After the modems reconnect, the following message reappears:
Type the same password that you used to initiate the call. You are allowed three attempts to enter the
password, after which you will be disconnected.
If the password is valid, the following message appears and the modems establish a working
connection: OK Connecting
PhoneTools.
Password>
Chapter 5 – Callback Security
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