With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
cRRowStatus
Call R Row Status
This variable is used as the basis for SNMP naming of cR components. These components can be added and deleted.
Back to Nortel-Magellan-Passport-CallServerMIB MIB page.
IPHost Network monitor allows you to monitor cRRowStatus 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.