With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
ipivcLcnVcState
ipivc Logical Channel Number 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-IpiVcMIB MIB page.
IPHost Network monitor allows you to monitor ipivcLcnVcState 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 multiplexers right now.