With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cegCongestionHighThreshold
Evolved Packet Core Gateway Congestion High Threshold
1.3.6.1.4.1.9.9.731.1.2.1.2
This object specifies the high threshold for congestion. Congestion DFP metric considers the current CPU memory usage and number of bearers open. Once the high threshold is reached all new calls are rejected.
Back to CISCO-EPC-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cegCongestionHighThreshold on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.