With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniDlciBytesToIf
Frame Relay Nni Dlci Bytes To If
This attribute counts the bytes sent out the interface. When the maximum count is reached the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniDlciBytesToIf 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.