With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gvcIfDlciVcPreviousDiagnosticCode
General Vc Interface Dlci Vc Previous Diagnostic Code
This attribute displays the internal substate of call control. It is used to further refine state of call processing.
Back to Nortel-Magellan-Passport-GeneralVcInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor gvcIfDlciVcPreviousDiagnosticCode 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.