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Callback Security Calling Procedures
Standard - Predefined Location Only
Use the following steps when calling from a fixed location predefined in the Callback Security tables.
1. Using a communications program such as Hyper Terminal, dial the number of the integrated
modem in the Sentry unit.
2. At the Password> prompt, enter the password for the number being connected from and press
Enter.
When a valid password is provided, OK Disconnecting is displayed and the Sentry integrated
modem disconnects.
3. After the specified Callback delay has elapsed, the Sentry integrated modem attempts to connect with
the Callback dial string associated with the supplied password.
NOTE: If unable to establish a connection, the modem will retry until the maximum Callback Attempts has been reached.
4. After the modem reconnects, at the Password> prompt, re-enter the predefined password for the
number being connected from and press Enter.
When a valid password is provided, OK Connecting is displayed and access to the Sentry is
granted.
You are given three attempts to enter a valid password. If all three attempts fail, the modem will
automatically disconnect.
Dynamic Callback number entry
Mobile users may need to use this procedure when connecting from a number different than the one
stored with the password. The + option must have been used in the original configuration of the
Callback dial string. See Setting Callback dial strings on page 7 for more information.
1. Use the standard procedure with the following deviation.
2. At the Password> prompt, enter the password for a number entry enabled number, followed by +,
and the new dial string (ex: atdt7752842065). Press Enter.
When a valid password is provided, OK Disconnecting is displayed and the Sentry integrated
modem disconnects.
The procedure continues as noted in #3 and 4 above.
Dynamic Callback extension entry
Users may need to use this procedure when an extension number must be provided for the dial string
being called. The + and ,??? options must have been used in the original configuration of the Callback
dial string. See Setting Callback passwords on page 7 for more information.
1. Use the standard procedure with the following deviation.
2. At the Password> prompt, enter the password for an extension entry enabled number, followed by
+, and the required extension number. Press Enter.
When a valid password is provided, OK Disconnecting is displayed and the Sentry integrated
modem disconnects.
The procedure continues as noted in #3 and 4 above.
Direct connection without Callback
Use this procedure to make a direct connection to the Global Security Modem without a callback. The -
option must have been used in the original configuration of the Callback dial string. See Setting
Callback dial strings on page 7 for more information.
1. Use the standard procedure with the following deviation.
2. At the Password> prompt, enter the predefined password for the number being connected from,
followed by -, and press Enter.
When a valid password is provided, OK Connecting is displayed and access to the Sentry is
granted.
You are given three attempts to enter a valid password. If all three attempts fail, the modem will
automatically disconnect.
10 • Operations Sentry Global Security Modem
Installation and Operations Manual