With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniSigCodesTable
Frame Relay Uni Sig Codes Table
This group contains the remote data network address, the last SVC clear cause and the last SVC diagnostic code coming from the subnet or the local VC.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniSigCodesTable 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.