With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vsrVoiceRoute
VoiceRoute Voice Route
1.3.6.1.4.1.562.2.4.1.117.12.1.3
This attribute specifies the VoiceRoute component that this VoiceSubroute belongs to.
Back to Nortel-Magellan-Passport-VoiceNetworkingMIB MIB page.
IPHost Network monitor allows you to monitor vsrVoiceRoute 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 secure routers right now.