With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
sigChanMcdnPeakActiveChannels
sig Chan Mcdn Peak Active Channels
1.3.6.1.4.1.562.2.4.1.115.17.16.1.4
This attribute indicates the maximum number of channels that have been active on this signalling channel during the last polling period.
Back to Nortel-Magellan-Passport-VnetMcdnSigMIB MIB page.
IPHost Network monitor allows you to monitor sigChanMcdnPeakActiveChannels 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.