With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnDnaHgMAvailabilityUpdateThreshold
appn Dna Hg M Availability Update Threshold
This attribute indicates the number of channels that have to be freed or occupied before the Availability Message Packet (AMP) is sent to the Hunt Group Server informing it of the status of this interface.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnDnaHgMAvailabilityUpdateThreshold 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 modems right now.