With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonRtpStatsFrameLossDSMin
Cisco RTT Monitor Rtp Stats Frame Loss DS Min
1.3.6.1.4.1.9.9.42.1.3.6.1.15
Minimum Number of Codec Frame loss events at Source.
Back to CISCO-RTTMON-RTP-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonRtpStatsFrameLossDSMin 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.