With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
traceSessionX25VcFastSelectCall
trace Session X25 Vc Fast Select Call
1.3.6.1.4.1.562.2.4.1.106.3.2.2.10.1.13
This attribute displays that this is a fast select call.
Back to Nortel-Magellan-Passport-X25TraceRcvrMIB MIB page.
IPHost Network monitor allows you to monitor traceSessionX25VcFastSelectCall 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 switches right now.