With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
ipiFrDnaOutDefaultPriority
ipi Fr Dna Out Default Priority
This attribute, if set to normal indicates that the default priority for outgoing calls (from the DTE to the network) using this particular Dna is normal priority - if the priority is not specified by the DTE. If this attribute is set to high then the default priority for outgoing calls using this particular Dna is high priority. It can be overridden by the discardPriority under DLCI Direct Call subcomponent.
Back to Nortel-Magellan-Passport-IpiFrMIB MIB page.
IPHost Network monitor allows you to monitor ipiFrDnaOutDefaultPriority 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.