With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonEchoAdminCallDuration
Round Trip Time Monitor Echo Admin Call Duration
1.3.6.1.4.1.9.9.42.1.2.2.1.46
Duration of RTP/Video Probe session. This object is applicable to RTP and Video probe.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonEchoAdminCallDuration on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.