With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
rsaConnectionLapfQueueSize
rsa Connection Lapf Queue Size
This attribute indicates the number of frames in the LAPF transmit queue.
Back to Nortel-Magellan-Passport-ServerAccessRsaMIB MIB page.
IPHost Network monitor allows you to monitor rsaConnectionLapfQueueSize 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.