With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcRlpIFramesTx
gsm Bc Rlp I Frames Tx
This attribute counts the number of valid Information frames transmitted. This count does not include the Information frames discarded. The counter wraps when it exceeds the maximum value.
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IPHost Network monitor allows you to monitor gsmBcRlpIFramesTx 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 modems right now.