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126 CHAPTER 10: USING QOS MONITORING
XML Accounting
Server
The XML Accounting Server collects, and is where you view, the QoS
reports generated by the VCX Call Processor.
On the XML Accounting Server you can:
■ Set QoS collection parameters, which determine when the system
issues Warning or Critical severity traps based on QoS measurements
■ View call history
■ View phone statistics
■ View Quality Detail Reports (QDRs)
Settings QoS
Collection Parameters
Use the QoS Collection Parameters tab to specify when the Accounting
Server issues Warning or Critical severity traps based on QoS measurements.
To set QoS Collection parameters:
1 From the EMS client Explorer tree, select the accounting server.
2 From the Properties tab, click the QOS Collection Parameters tab.
3 Specify a threshold value for each attribute.
For a description of each attribute, see Table 36
. For complete details of
each attribute, view the context-sensitive help in EMS.
Table 36 QOS Collection Parameters Tab
Attribute Description
BucketSizeMultiplier Determines the size of the rate-limit bucket. The rate-limit
bucket is multiplied by either of the
vcxQoSRateLimitMaxWarnings or vcxQoSRateLimitMaxAlarms
to produce a rate-limit bucket value.
Computed
MOSValueSevereAlarm
Threshold
Specifies a threshold for QoS alarms based on computed
mean option scores (MOS). A value of zero disables this
threshold.
ComputedMOSValue
WarningThreshold
Specifies a threshold for QoS warnings based on computed
mean opinion scores (MOS). A value of zero disables this
threshold.
EndpointCallHistory
Depth
Specifies the number of most recent calls to use to
compute the running-average for QoS performance
metrics. The running-averages are made available in the
augmenting table vcxMonitoredEndpointStatisticsTable.
A value of zero disables running average statistics for the
given row.
(continued)