With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mcsMgrFrf5EpGEpEpdType
mcs Manager Frf5 Ep G Ep Epd Type
This attribute specifies the FRF.5 End Point type. If the value is provisioned as master, this End Point is responsible for initiating the SPVC call to set up the FRF.5 ATM VCC. If the value is provisioned as slave, this End Point receives call setup requests from a master remote end.
Back to Nortel-Magellan-Passport-Frf5EpMIB MIB page.
IPHost Network monitor allows you to monitor mcsMgrFrf5EpGEpEpdType 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.