Jitter can occur due to congestion in the LAN or the access link, load sharing, routing table updates, and route flapping.
Latency can occur as a result of propagation delay, handling delay, queuing delay, router outages, or link congestion.
Packet loss due to link failures, traffic congestion and buffer overflow, faulty networking hardware, or a misrouted packet.
VoIP & Network Quality Manager
Real-time WAN monitoring and alerting of site-to-site WAN performance.
Use CDR Analysis to quickly pinpoint VoIP performance problems.
Powerful VoIP monitoring tools for Cisco devices can help you see the big picture of how a call transits your network.