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