With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosIPHCRtpSavedByteOverflow
Cisco Class Based Qos IPHC Rtp Saved Byte Overflow
1.3.6.1.4.1.9.9.166.1.23.1.1.7
The upper 32 bits count of UDP/RTP bytes that saved due to IPHC.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosIPHCRtpSavedByteOverflow on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.