With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmCsChannelModeModifyRequests
gsm Cs Channel Mode Modify Requests
This attribute counts the number of channel mode modify requests that have been generated by fax calls serviced by this particular GsmIwfCallServer. The counter wraps when it exceeds the maximum value.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmCsChannelModeModifyRequests 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.