With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniLtsLastActiveInterval
Frame Relay Nni Lts Last Active Interval
This attribute indicates the actual time it took to generate all of the enabled patterns in the last cycle. If cycleIncomplete is true, this value should be zero.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniLtsLastActiveInterval 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.