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Chapter 5 – Callback Security
Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide (S000387D) 17
Extension-Entry Callback
Use this procedure when calling from an extension at the callback number. The password that you use must be set up for
an optional extension-entry callback.
1. Using a data communications program such as HyperTerminal, dial the number of the callback modem.
2. When the connection is established, the callback modem responds with the following message:
Password>
3. Type an extension-entry password, press the plus key (+), type the extension to call back to, and press E
NTER. You
have three attempts or one minute to enter a valid password.
4. If the password is valid, the following message appears, and the modems disconnect:
OK Disconnecting
5. After the delay specified by the #CBDn command, the callback modem calls the extension that you entered after the
+ character. If the callback modem is unable to establish a connection, it tries again, up to the number of attempts
specified by the #CBAn command.
6. After the modems reconnect, the following message reappears:
Password>
7. Type the same password you used to initiate the call. You are allowed three attempts to enter the password. After
that, you will be disconnected.
8. If the password is valid, the following message appears, and the modems establish a working connection:
OK Connecting
Direct Connection
Use this procedure when you want to connect without first being called back. The password that you use must be set up
for an optional direct connection.
1. Using a data communications program such as HyperTerminal, dial the number of the callback modem.
2. When the connection is established, the callback modem responds with the following message:
Password>
3. Type a direct connection password, press the - key, and then press E
NTER. You have three attempts or one minute to
enter a valid password.
4. If the password is valid, the following message appears and the modems establish a working connection:
OK Connecting
Note: You can make all calls direct connect regardless of whether the password or phone number has the - character by
using the %H1 command.