With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmCsChannelConfigChanges
gsm Cs Channel Config Changes
This attribute counts the number of channel configuration requests from the Mobile-services Switching Center (MSC) that have been received at this GsmIwfCallServer and have resulted in successful responses. The counter wraps when it exceeds the maximum value.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmCsChannelConfigChanges 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.