With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
scGenMonPriorityEntry
sc Gen Monitor Priority Entry
1.3.6.1.4.1.81.28.1.2.2.1
A list of statistics related to a specific priority level on a single XSwitch in SC based devices.
Back to XSWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor scGenMonPriorityEntry on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya IP phones right now.