With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbH248StatsRTT
Cisco Session Border H248 Stats RTT
1.3.6.1.4.1.9.9.657.1.6.1.13
This object indicates the calculated RTT value. This field specifies the maximum round trip propagation delay in the network (in milliseconds).
Back to CISCO-SESS-BORDER-CTRLR-CALL-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor csbH248StatsRTT on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.