Proactive Voice Quality Management; Contents; Introduction - Nortel 1000E Maintenance Manual

Proactive Voice Quality Management

Contents

This section contains the following topics:
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Introduction

CS 1000 and Meridian 1 systems, that are equipped with Voice Gateway
Media Cards running IP Line 4.0 or later, support Proactive Voice Quality
Management (PVQM). PVQM includes the following capabilities:
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Copyright © 2007, Nortel Networks
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"Introduction" (page 171)
"How voice quality monitoring works" (page 172)
"Feature packaging" (page 175)
"Supported system types" (page 175)
"Feature implementation" (page 175)
"LD 117 Print zone QoS IP statistics" (page 175)
"LD 117 Configure voice-quality metric thresholds" (page 176)
"LD 117 Print voice-quality metric thresholds" (page 177)
"LD 117 Configure voice-quality sampling (polling)" (page 177)
"LD 117 Configure zone alarm-notification levels" (page 177)
"LD 117 Print zone alarm-notification levels" (page 179)
"Diagnosing and isolating voice-quality problems" (page 179)
"SNMP interface" (page 180)
"Heterogeneous environments" (page 180)
Monitoring of voice quality metrics (latency, jitter, packet loss, and
R-Value) for IP Phones and gateway endpoints.
R-Value monitoring is available on Phase 2 IP Phones only.
Two levels of voice quality alarms (Warning and Unacceptable).
Alarm thresholds, configured in LD 117, are used to classify system
performance as good, poor, and unacceptable.
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007
171