Network testing tools
Free, in-browser, no signup. The same three measurements our published call tests report, pointed at your connection — because most “VoIP problems” are actually network problems.
Live
Packet Loss Test
Test your connection for the packet loss, latency, and jitter that ruin VoIP calls — free, in your browser.
Run the test →LiveVoIP Speed Test
Measure whether your connection is good enough for business VoIP.
Run the test →LiveJitter Test
Measure the timing variation that makes calls sound robotic.
Run the test →LiveVoIP Bandwidth Calculator
Concurrent calls × codec → the bandwidth you actually need.
Run the test →LiveMOS Calculator
Convert latency, jitter, and loss into a call-quality score.
Run the test →In production
Number Lookup
Carrier and line-type lookup powered by real routing data.