With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cProxyCallHistoryRxT120Packets
Cisco Proxy Call History Rx T120 Packets
1.3.6.1.4.1.9.10.57.1.2.1.1.23
The number of T120 data packets received from the remote end for this call.
Back to CISCO-PROXY-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cProxyCallHistoryRxT120Packets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.