KVH Industries LTD9116MKIT User Manual page 202

Chapter 4: Using the web interface
When a data session is started with the Default network user group, the
terminal will start sending ping commands to the Primary IP address the
number of times specified at Retries. If no response is received, it will send the
same number of ping commands to the Secondary IP address, if available. If
no response is received here either, the terminal will reboot.
Restricted dialling
In order to manage the use of the system efficiently you can set up the
terminal to limit all calls to allowed numbers or numbers in the phone book.
This feature can be enabled for each connected handset separately. Each
handset has its own local number.
To setup the terminal for restricted dialing, do as follows:
190 Administration