Nortel 1000E Maintenance Manual page 173

The sampled metrics are compared to user-configured thresholds to
determine system performance. When sampled metrics exceed configured
thresholds, the system generates statistics.
For details about configuring metric thresholds, see
voice-quality metric thresholds" (page
The Signaling Server or Voice Gateway Media Card collect statistics for
each metric to create a Quality Detail Report (QDR). The QDR summarizes
metric threshold violations into one of the following categories:
•
•
Each summarized QDR record is added to the IP Phone Zone Traffic Report
16 (TFS016). The TFS016 report summarizes by zone the voice quality
over the reporting period to allow the administrator to view the overall voice
quality. For more information about TFS016, see Traffic Measurement:
Formats and Outputs Reference (NN43001-750).
An SNMP alarm is generated when a voice quality metric threshold exceeds
Warning or Unacceptable status. For details about controlling the number of
SNMP alarms generated, see
levels" (page
Figure 23 "Voice quality monitoring flow diagram" (page 174)
PVQM within the Voice over IP (VoIP) system.
Copyright © 2007, Nortel Networks
.
Warning
Unacceptable
177).
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007
How voice quality monitoring works 173
176).
"LD 117 Configure zone alarm-notification
"LD 117 Configure
illustrates