With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
traceRcvrFrDnaIncCalls
trace Receiver Fr Dna Inc Calls
This attribute specifies that incoming calls (from the network to the DTE) cannot be made to this Dna.
Back to Nortel-Magellan-Passport-FrTraceRcvrMIB MIB page.
IPHost Network monitor allows you to monitor traceRcvrFrDnaIncCalls 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.