With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniDnaHgMAvailableDlcis
Frame Relay Uni Dna Hg M Available Dlcis
This attribute indicates the number of DLCIs available for SVCs on the interface associated with this DNA. If this value reaches 0, an AMP with zero availability is sent to the hunt group server(s). Both this attribute and the availableAggregateCir attribute must be non zero for this DNA to receive calls on the hunt group.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniDnaHgMAvailableDlcis 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.