An engineer must configure Cisco IM & Presence services on Cisco Unified CM for Jabber under the Expressway Domain. Which accomplishes this task?

Question

Options

• ASIP registrations and provisioning on Expressway = On
• BSIP registrations and provisioning on Expressway = Off
• CCisco IM & Presence services on Cisco Unified CM = On
• DCisco IM & Presence services on Cisco Unified CM = Off

• A
  5% (2)
• B
  8% (3)
• C
  85% (34)
• D
  3% (1)

Explanation

When configuring Jabber to use Expressway for Mobile and Remote Access (MRA), the Expressway-C must be configured with the correct Unified CM and IM & Presence settings. Setting 'Cisco IM & Presence services on Cisco Unified CM = On' explicitly enables the IM & Presence service integration within the Expressway unified communications traversal configuration. This allows Jabber clients connecting via MRA to reach IM & Presence services through the Expressway path. Setting it to 'Off' would disable IM & Presence integration. The 'SIP registrations and provisioning on Expressway' options pertain to a different feature (Expressway-hosted registration), not IM & Presence enablement.

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