With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniSigAckTimer
Frame Relay Uni Sig Ack Timer
This attribute specifies the period in milliseconds that the network will wait for an acknowledgment to a sent frame. The value set for ackTimer must be less than the value set for idleProbeTimer.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniSigAckTimer 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.