With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanCcCgIdleChannelCount
data Sig Chan Cc Cg Idle Channel Count
This attribute shows the number of B-channels in the channel group that are in idle state.
Back to Nortel-Magellan-Passport-DataIsdnMIB MIB page.
IPHost Network monitor allows you to monitor dataSigChanCcCgIdleChannelCount 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.