With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvVoIPCallHistoryLatePackets
Cisco Voice Vo IP Call History Late Packets
1.3.6.1.4.1.9.9.63.1.4.2.1.21
The number of received voice packets that are arrived too late to playout with CODEC (Coder/Decoder) during the call.
Back to CISCO-VOICE-DIAL-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cvVoIPCallHistoryLatePackets 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.