With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
lpImaRunningTime
lp Ima Running Time
This attribute indicates the length of time (in seconds) for which the Ima component has been in the unlocked state or has been used for operational testing.
Back to Nortel-Magellan-Passport-ImaMIB MIB page.
IPHost Network monitor allows you to monitor lpImaRunningTime 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.