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Configuring VoIP
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• Softswitch redundancy configuration
To configure sofswitch survivability:
1. In the navigation bar, select System.
2. In the System menu, select Survivability.
3. To configure Sofswitch Reachability, enter the following:
Field Description
Time (s) between DNS lookups The number of seconds between DNS
lookups
Time (s) between heartbeat
messages
The number of seconds between each
heartbeat messages sent to the softswitch
to determine connectivity.