With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
cjnDdpInReceives
Cajun Ddp In Receives
1.3.6.1.4.1.52.4.43.2.4.10.1.4
The total number of input datagrams received by DDP, including those received in error.
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IPHost Network monitor allows you to monitor cjnDdpInReceives 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.