Nortel 1000E Maintenance Manual page 181

Endpoint type
Phase 2 IP Phones with PVQM
package
IP Softphone 2050
CS 1000 and Meridian 1 systems
with Voice Gateway Media Cards
running IP Line 4.0
Third-party Media Gateway
Copyright © 2007, Nortel Networks
.
Voice-quality monitoring operation
Detect jitter, packet loss, and latency (when the far end is
RTCP-compliant) and R-Value threshold violations.
Threshold violations are detected asynchronously by the
IP Phone.
Detect jitter, packet loss, and latency (when the far end is
RTCP-compliant) threshold violations.
Polling detects threshold violations.
Detect jitter and packet loss threshold violations.
Polling detects threshold violations.
Not supported.
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007
Heterogeneous environments 181