LB
Lighthouse Briefings
VoIP Quality · timeline of changes, incidents, and shipped work
All 42Issue shooting 3Bug shooting 0Bad-call reduction 0Infrastructure 0Dedicated lines 1Experiments 0Releases 0Analysis 10Tool launches 0Weekly 6OKR 2Competitive research 1Call Quality Daily 19
Issue shooting
External incident RCAs (push outages, ASN events, etc.)
3 briefings
Silent-ring rate spike — Android v4.9
Android silent-ring rate hit 18.96% on 2026-05-11 — the single highest day in the trailing 90 days (+1.60pp vs 5/8 baseline). All 11 monitored corridors moved the same day. Real Grafana data. Investigation tracked in PB.