
46 Telephony metrics monitoring
Nortel Business Communications Manager 5.0
Fault and Performance Management
NN40170-701 01.01 Standard
August 2009
Copyright © 2009 Nortel Networks
Unacceptable (desktop) The number of unacceptable errors you can
receive for a desktop phone model. The value
ranges and default thresholds are as follows:
• Packet Loss Rate: The value range for this
metric is 0 to 100. The default value for
unacceptable thresholds is 5%.
• Inter-arrival Jitter: The value range for this
metric is 0 to 1000. The default value for
unacceptable thresholds is 500 ms.
• RTCP Round Trip Delay: The value range for
this metric is 0 to 1000. The default value for
unacceptable thresholds is 500 ms.
Warning (softclient) The number of warnings you can receive for a
softclient phone model. The value ranges and
default thresholds are as follows:
• Packet Loss Rate: The value range for this
metric is 0 to 100. The default value for warning
thresholds is 1%.
• Inter-arrival Jitter: The value range for this
metric is 0 to 1000. The default value for
warning thresholds is 50 ms.
• RTCP Round Trip Delay: The value range for
this metric is 0 to 1000. The default value for
warning thresholds is 300 ms.
• Listening R Factor: The value range for this
metric is 0 to 100. The default value for warning
thresholds is 65.
Unacceptable (softclient) The number of unacceptable errors you can
receive for a softclient phone model. The value
ranges and default thresholds are as follows:
• Packet Loss Rate: The value range for this
metric is 0 to 100. The default value for
unacceptable thresholds is 5%.
• Inter-arrival Jitter: The value range for this
metric is 0 to 1000. The default value for
unacceptable thresholds is 500 ms.
• RTCP Round Trip Delay: The value range for
this metric is 0 to 1000. The default value for
unacceptable thresholds is 500 ms.
Variable Value
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