See your real internet speed.
Find out how many HD VoIP calls your connection can handle.
Get the details about your connection, then press GO.
Supports about — simultaneous HD calls.
Loads your line with traffic equal to the selected calls and measures jitter/latency under load. Practical approximation, not a live SIP/RTP test.
We only read what your browser already shares with every website you visit. No location permission is requested.
Speeds are measured between your device and Cloudflare’s global network (the same engine behind speed.cloudflare.com).
