With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dialCtlPeerCfgMinDuration
dial Ctl Peer Cfg Min Duration
1.3.6.1.2.1.10.21.1.2.1.1.12
Minimum duration of a call in seconds, starting from the time the call is connected until the call is disconnected. This is to accomplish the fact that in most countries charging applies to units of time, which should be matched as closely as possible.
Back to DIAL-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor dialCtlPeerCfgMinDuration on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.