With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
btdsMcdnCallClears
btds Mcdn Call Clears
This attribute counts the number of CCS messages indicating the end of a call. This count wraps to zero after reaching its maximum value.
Back to Nortel-Magellan-Passport-BitTransparentMIB MIB page.
IPHost Network monitor allows you to monitor btdsMcdnCallClears 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.