With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
atmIfUniSigVci
atm If Uni Sig Vci
This attribute specifies the signalling channel number.
Back to Nortel-Magellan-Passport-AtmUniMIB MIB page.
IPHost Network monitor allows you to monitor atmIfUniSigVci 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 switches right now.