With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vsrSvsClearCauseCode
VoiceRoute Svs Clear Cause Code
1.3.6.1.4.1.562.2.4.1.117.2.12.1.6
This attribute indicates the clear cause code of the call. This code is always the Q.931 code, regardless of the access protocol.
Back to Nortel-Magellan-Passport-VoiceNetworkingMIB MIB page.
IPHost Network monitor allows you to monitor vsrSvsClearCauseCode 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.
