With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
btdsMcdnNewVoiceCalls
btds Mcdn New Voice Calls
This attribute counts the number of messages indicating beginning of establishment of a voice 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 btdsMcdnNewVoiceCalls 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.