Recorded on real hardware, with faults injected on the bench. Every number on screen is measured from the recording itself.
Two identical desk phones share one internet line. One plugs straight in; the other goes through a Weavian box with a second line from another provider. We break the shared line two ways, dead and bad, and record what each phone does.
Failover is fast and the call is kept. There is still a brief gap while the switch happens, and the recording shows exactly how long.
Plugged straight into Fiber 1
One line, no fallback. The call is only as good as Fiber 1.
Through the Weavian box, Fiber 2 in reserve
Same call throughout. Nobody hung up, nobody redialed.
Dead line: every packet on Fiber 1 dropped, as after a cut cable or a provider outage. Bad line: 80% of packets dropped, as on a damaged or overloaded line. Both produced with a fault box on the bench, with the line check at its fastest setting, every 0.1 seconds (extreme failover). Recorded 29 September 2026; every number is measured from the recording.