With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
tdmaBcMateBearerChannel
tdma Bc Mate Bearer Channel
This attribute contains the name of the mate TdmaIwfBearerChannel that this TdmaIwfBearerChannel is involved with in the currently active call. In the case of a FastConnect call, this mate is a TdmaIwfFcBearerChannel.
Back to Nortel-Magellan-Passport-TdmaIwfMIB MIB page.
IPHost Network monitor allows you to monitor tdmaBcMateBearerChannel 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 speech servers right now.