With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanInsActiveChannels
data Sig Chan Ins Active Channels
This attribute indicates the number of currently active channels. This includes data and voice channels.
Back to Nortel-Magellan-Passport-DisdnJapanInsMIB MIB page.
IPHost Network monitor allows you to monitor dataSigChanInsActiveChannels 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 multiplexers right now.