300-070 · Question #210
Which configuration parameter may need to be adjusted when the Region setting is changed?
The correct answer is D. Location. In Cisco Unified Communications Manager (CUCM), Regions define the codecs permitted between devices and control audio/video bandwidth per call. Location-based Call Admission Control (CAC) uses a bandwidth budget to limit concurrent calls over WAN links. When a Region setting is…
Question
Which configuration parameter may need to be adjusted when the Region setting is changed?
Options
- ADevice Pool
- BClass of Control
- CAAR Group
- DLocation
How the community answered
(26 responses)- A8% (2)
- B15% (4)
- C4% (1)
- D73% (19)
Explanation
In Cisco Unified Communications Manager (CUCM), Regions define the codecs permitted between devices and control audio/video bandwidth per call. Location-based Call Admission Control (CAC) uses a bandwidth budget to limit concurrent calls over WAN links. When a Region setting is changed, the codec (and therefore per-call bandwidth) may change, which directly impacts how quickly the Location bandwidth pool is consumed. If the new Region allows a higher-bandwidth codec (e.g., G.711 instead of G.729), more bandwidth per call is used, and the Location threshold may need to be adjusted accordingly to keep CAC accurate and prevent WAN congestion.
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