With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcFaxBcsFramesRx
gsm Bc Fax Bcs Frames Rx
This attribute counts the number of fax Binary Coded Signal (BCS) frames received from the mobile. A fax BCS frame is an 8-byte STATUS frame, which carries T.30 BCS data as defined in GSM 3.45. The counter wraps when it exceeds the maximum value.
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IPHost Network monitor allows you to monitor gsmBcFaxBcsFramesRx 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 secure routers right now.