What Happens to the Encrypted Signaling Traffic of a Collaboration

question 42

Multiple Choice

What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

• A) The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
• B) Encrypted IP traffic for collaboration devices always is trusted by the firewall.
• C) The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
• D) The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.

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