Version 7.2 333 Mediant 800B Gateway & E-SBC
User's Manual 16. Quality of Experience
The following example is used to explain how the device considers threshold crossings. The
example is based on a setup where the Major (total) bandwidth threshold is configured to 64,000
Kbps, the Minor threshold to 50% (of the total) and the hysteresis to 10% (of the total):
Figure 16-5: Bandwidth Threshold Crossings
Table 16-4: Threshold Crossings based on Threshold and Hysteresis
Threshold Crossing Calculation
Threshold based on
Example
Green to Yellow (Minor alarm) The change occurs if the current bandwidth
crosses the configured Minor threshold only
(i.e., hysteresis is not used).
32,000 Kbps
Green to Red (Major alarm) The change occurs if the current bandwidth
crosses the configured Major threshold only
(i.e., hysteresis is not used).
64,000 Kbps
Yellow to Red (Major alarm) The change occurs if the current bandwidth
crosses the configured Major threshold only
(i.e., hysteresis is not used).
64,000 Kbps
Red to Yellow (Minor alarm) The change occurs if the current bandwidth
crosses the configured Major threshold with
hysteresis.
57,600 Kbps
[64,000 - (10% x 64,000)]
Yellow to Green (alarm cleared) The change occurs if the current bandwidth
crosses the configured Minor threshold with
hysteresis.
25,600 Kbps
[32,000 - (10% x 64,000)]
Red to Green (alarm cleared) The change occurs if the current bandwidth
crosses the configured Minor threshold with
hysteresis.
25,600 Kbps
[32,000 - (10% x 64,000)]
The following procedure describes how to configure Bandwidth Profiles through the Web
interface. You can also configure it through ini file (BWProfile) or CLI (configure voip > qoe bw-
profile).
To configure a Bandwidth Profile:
1. Open the Bandwidth Profile table (Setup menu > Signaling & Media tab > Media folder >
Quality of Experience > Bandwidth Profile).
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