With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
btdsFramerNumOfIdleBytesToMonitor
btds Framer Num Of Idle Bytes To Monitor
This attribute specifies the number of consecutive repeated ingress 16-bit words this Btds must encounter before suppressing universal ingress idle frames. This attribute is only used if protocol is universal. numOfIdleBytesToMonitor should be larger than the largest frame size that can be sent into this Btds.
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IPHost Network monitor allows you to monitor btdsFramerNumOfIdleBytesToMonitor 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.