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 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.
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.
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.
- 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.
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.