Go back to 500-007 - Implementing Cisco TelePresence Video Solution, Part 1

Question :-

How are firewall traversal connections established between the Cisco TelePresence VCS Expressway and Control?
The traversal client establishes connections outbound to the traversal server
The traversal server establishes connections inbound to the traversal client
Connections are established in both directions from the traversal server to the traversal client
The traversal server negotiates acceptable connection ports with the firewall

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