Refer to the exhibit. A Cisco Unified Communications Manager group is configured with the subscriber (10.1.5.3) listed first and the publisher (10.1.5.2) listed second. Which Cisco Unified Communicati

Question

Exhibit

Options

• Athe publisher
• Bboth the publisher and subscriber in a round-robin format
• Cthe first server listed in the Cisco Unified Communications Manager group list
• Dthe subscriber

• A
  76% (13)
• B
  6% (1)
• C
  12% (2)
• D
  6% (1)

Explanation

MGCP (Media Gateway Control Protocol) gateways behave differently from SIP or H.323 endpoints with respect to CUCM group ordering. Unlike SIP phones that register to the first available server listed in the CUCM group, MGCP gateways are always controlled by the CUCM Publisher. The CUCM group list order (subscriber first, publisher second in this scenario) affects SCCP/SIP device registration, not MGCP control. The MGCP gateway registers its ports directly with the Publisher, and the Publisher manages call signaling for those ports. Therefore, even though the subscriber (10.1.5.3) is listed first in the group, incoming MGCP calls are still handled by the publisher (10.1.5.2).

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