With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
iwrInterfaceAddr
iwr Interface Address
1.3.6.1.4.1.81.21.2.3.1.3
The IP Address of this indexed port.
Back to MODULES-MIB MIB page.
IPHost Network monitor allows you to monitor iwrInterfaceAddr 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.