Call Quality & Connection Tester
Test your internet connection for calls. Measure your latency, jitter, and packet loss, and get an instant call-quality grade. Free, with no download.
We'll run a quick audio connection over our calling network and read back your real latency, jitter, and packet loss. Nothing is recorded, and we don't need your microphone.
How it works
- 1
Start the test
Hit Run connection test. No microphone access, no download.
- 2
We measure live
A real audio connection runs through our calling network for a few seconds while we take the readings.
- 3
Get your grade
You see your latency, jitter, and packet loss, plus an overall call-quality grade.
What the numbers mean
Latency is the round-trip delay, and lower is better. Jitter is how much that delay bounces around, and a lot of it makes audio choppy. Packet loss is the slice of audio that never arrives, and even a few percent causes dropouts. Together they're a good prediction of how clear your calls will be.
What makes a good calling connection
For smooth calls, you want latency under about 150 ms, jitter under 30 ms, and packet loss under 1%. When those numbers creep up, the usual suspects are Wi-Fi interference, a busy network, or a weak signal.
Frequently asked questions
- What is a good latency for calls?
- Under about 150 ms feels natural. Past 300 ms you start to notice a lag and end up talking over each other.
- What causes choppy or robotic audio on calls?
- Usually jitter or packet loss, often from Wi-Fi interference, sitting too far from the router, or a congested connection.
- Does the test need microphone access?
- No. It makes its own audio signal, so there's no mic prompt and nothing gets recorded.
- Does the test use a lot of data?
- No. It runs for a few seconds and barely touches your bandwidth.
- Why did the test fail to connect?
- Some locked-down networks block the kind of traffic real-time calls use. If that's happening, your calls may struggle on that network too, so try another connection.