With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
rtgDpnMidDelayMetricValue
rtg Dpn Mid Delay Metric Value
This variable represents an individual value for the rtgDpnMidDelayMetricTable.
Back to Nortel-Magellan-Passport-DpnRoutingMIB MIB page.
IPHost Network monitor allows you to monitor rtgDpnMidDelayMetricValue on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel speech servers right now.