# Voip Quality Several factors can attribute to the quality of a Voip call. Most problems with Voip quality can be narrowed down to packet loss, jitter, wrong configurations, high latency and network attacks. ## Voip Quality Testing Websites - - - ## Packet Loss Packet loss happens when a defined number of packets don\'t all reach their destination. Most commonly, this can happen from faulty network hardware and wiring. Network saturation can be a culprit also on the WAN and LAN of a network. 0% packet loss is recommended. ## Jitter Packets that don\'t arrive in the intended order or proper time will result in jitter. This will sound like robotic voice or missing audio that sounds choppy. Much like a cell phone conversation with poor reception. 3 ms in jitter or less is recommended. ## Latency Too high of latency will result in conversational timing issues. This sounds like two people talking at the same time. 150 ms or less is recommended. ## Wrong Configurations - Quality Of Service QOS when implimented correctly on a network device can help a network provide great Voip quality. - ISP provisions your cable modem the wrong speed profile. ## Network Attacks We are in the age of the internet wild wild west. Network attacks depending on size can bring a voip call quality sounding like packet loss, jitter and latency kind of calls.