Network quality management

Last Updated : Sep 29, 2026 |
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A successful Voice over Internet Protocol (VoIP) implementation involves quality of service (QoS) management that is affected by three major factors:
  • Delay: Significant end-to-end delay can cause echo and talker overlap.
  • Packet loss: During peak network loads and periods of congestion, voice data packets might drop.
  • Jitter (Delay variability): Data packets arrive at their destination at irregular intervals because of variable transmission delay over the network.
For more information about these QoS factors and network quality management, see: