Nortel Communication Server 1000E Maintenance Manual page 174

174 Proactive Voice Quality Management
Figure 52
Voice quality monitoring flow diagram
Legend
1.
IP Phones and endpoints are polled during a call and at the end of a
call to extract voice-quality statistics.
2.
Statistics for each metric are collected on the Signaling Server or Voice
Gateway Media Card.
3.
Voice-quality statistics are compared to threshold settings and a QDR
is created.
4.
The QDR is forwarded to the Call Server for reporting purposes.
5.
An SNMP alarm is generated when a voice-quality metric exceeds the
Warning or Unacceptable threshold.
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 04.01 4 June 2010
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