With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
sigChanICmapIntCauseTable
sig Chan I Cmap Int Cause Table
1.3.6.1.4.1.562.2.4.1.115.18.100
This group contains the provisionable, Passport generated clearing reasons of an establishing call.
Back to Nortel-Magellan-Passport-VoiceNetworkingMIB MIB page.
IPHost Network monitor allows you to monitor sigChanICmapIntCauseTable 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.