With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vsrSvsIfEntryEntry
VoiceRoute Svs If Entry Entry
1.3.6.1.4.1.562.2.4.1.117.2.11.1
An entry in the vsrSvsIfEntryTable.
Back to Nortel-Magellan-Passport-VoiceNetworkingMIB MIB page.
IPHost Network monitor allows you to monitor vsrSvsIfEntryEntry 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.