With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vsrSvsStatsTable
VoiceRoute Svs Stats Table
1.3.6.1.4.1.562.2.4.1.117.2.13
This group provides the operational attributes for the SwitchedVoiceService component.
Back to Nortel-Magellan-Passport-VoiceNetworkingMIB MIB page.
IPHost Network monitor allows you to monitor vsrSvsStatsTable 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 modems right now.
