With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniDlciVcState
Frame Relay Nni Dlci Vc State
This attribute displays the state of call control. P5 state is not supported but is listed for completness. Transitions from one state to another take very short time. state most often displayed is dataTransferP4.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniDlciVcState 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.