A file in PCM WAV format is uploaded into Cisco Unified Communications Manager to be used as MoH. Which four codecs are used in files that are generated by Cisco Unified Communications Manager? (Choos

The correct answer is A. Cisco wideband C. G.711 mu-law D. G.711 a-law G. G.729A. When you upload a PCM WAV source file to CUCM for Music on Hold, CUCM automatically transcodes and stores the audio in four codec formats to serve different endpoint needs: G.711 mu-law (used in North America/Japan), G.711 a-law (used in Europe/international), G.729A (used for WA

Cisco Unified Communications Manager (CUCM)

Question

A file in PCM WAV format is uploaded into Cisco Unified Communications Manager to be used as MoH. Which four codecs are used in files that are generated by Cisco Unified Communications Manager? (Choose four.)

Options

ACisco wideband
BG.723
CG.711 mu-law
DG.711 a-law
EiLBC
FG.728
GG.729A
HG.722

How the community answered

(23 responses)

A
87% (20)
B
4% (1)
F
9% (2)

Explanation

When you upload a PCM WAV source file to CUCM for Music on Hold, CUCM automatically transcodes and stores the audio in four codec formats to serve different endpoint needs: G.711 mu-law (used in North America/Japan), G.711 a-law (used in Europe/international), G.729A (used for WAN/compressed calls), and Cisco Wideband (a proprietary codec for wideband calls). CUCM selects the appropriate pre-encoded file when streaming MOH to a held party, avoiding real-time transcoding.

Topics

#Music on Hold#codecs#G.711#PCM WAV

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