Where is encryption enabled in a Cisco collaboration environment for dedicated hardware-based video endpoint calls?

Question

Options

• ASet enforce encryption in regions in Cisco UCM.
• BEnsure that Cisco UCM is set to restricted mode.
• CSet enforce encryption on every single endpoint.
• DSet enforce encryption in Cisco Expressway-C under Dial Plan Configuration.

• A
  87% (13)
• B
  7% (1)
• C
  7% (1)

Explanation

For dedicated hardware-based video endpoints registered directly to Cisco UCM, encryption is configured at the Region level within UCM. Regions define codec capabilities and can enforce encrypted media (SRTP) for calls within or between regions. Setting 'Encrypt' in the Region configuration ensures all hardware endpoints in that region negotiate encrypted calls. This is distinct from MRA (Mobile and Remote Access), where encryption is handled differently. Option B (restricted mode) controls the overall security mode of the cluster but does not directly enforce encryption per call path. Option C (per-endpoint enforcement) is impractical at scale. Option D is incorrect because Expressway-C Dial Plan Configuration manages call routing, not media encryption for internal registered endpoints.

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