Which IP address and port number are used by default when you configure Multicast Music on Hold?

The correct answer is D. 239.1.1.1 on port 16384. Cisco Unified Communications Manager uses 239.1.1.1 as the default multicast IP address and port 16384 as the default UDP port for Multicast Music on Hold. These values are pre-populated in the MOH Audio Source configuration page in CUCM and are Class D multicast addresses in…

Cisco Unified Communications Manager (CUCM)

Question

Options

A239.1.1.2 on port 16884
B239.255.255.254 on port 16388
C239.239.239.239 on port 16348
D239.1.1.1 on port 16384

How the community answered

(24 responses)

A
4% (1)
C
4% (1)
D
92% (22)

Explanation

Cisco Unified Communications Manager uses 239.1.1.1 as the default multicast IP address and port 16384 as the default UDP port for Multicast Music on Hold. These values are pre-populated in the MOH Audio Source configuration page in CUCM and are Class D multicast addresses in the administratively scoped range. You can change them, but 239.1.1.1:16384 is the out-of-box default that appears on the exam.

Topics

#Multicast MOH#IP address#port number#MOH configuration

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