With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
ipxCircIndex
ipx Circ Index
1.3.6.1.4.1.81.31.2.1.1.1
The identifier of this circuit, unique within the instance of IPX. This value may be written only when creating a new entry in the table.
Back to CROUTE-MIB MIB page.
IPHost Network monitor allows you to monitor ipxCircIndex 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.