Calls sound robotic or break up.
Packet loss, jitter, latency and upstream congestion cause broken voice. Test wired, pause uploads and capture a failing call time.
Loss; jitter; latency; upload saturation; Wi‑Fi retries.
Escalate wired loss/jitter or repeated MOS issue.
Show the technical detail
On a managed Wi-Fi plan
Correlate WAN and Wi‑Fi metrics; prioritise voice where supported.
On another provider's router
ISP checks access; VoIP provider checks codec/server.
What to be careful of
Do not treat a high download speed as proof voice is healthy.
Where this comes from: Official · see the original source ↗ · Draft—technical review · checked 17 August 2026