With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
tdmaCsCurrentCalls
tdma Cs Current Calls
This attribute indicates the number of active calls currently serviced by this particular TdmaIwfCallServer.
Back to Nortel-Magellan-Passport-TdmaIwfMIB MIB page.
IPHost Network monitor allows you to monitor tdmaCsCurrentCalls 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 switches right now.