Daily trend of inviteDelay (callee, is_caller=0) and inviteToRing (caller, is_caller=1) over 2026-05-05 to 06-03. inviteToRing avg rose 2.3 → 38.8 s with a single-day spike of 87.3 s on 05/27; inviteDelay p95 stepped up to ~3,050–3,450 s across 05/27–05/31 (peak 3,450.7 s on 05/27). p50 flat throughout.

AE→AE corridor drilldown of inviteDelay (callee) and inviteToRing (caller) over 2026-05-05 to 06-03. inviteToRing raw avg rose 1.72 → 23.09 s while the <36000 s filtered avg moved only 1.72 → 2.74 s (rise is the ≥36000 s tail). inviteDelay filtered avg and p95 both peaked on 05/27 (438.7 s / 1,892.6 s). p50 flat throughout.

Full weekly report (CN/EN) 2026-05-18 to 05-24 · OP S22 closed + S23 kickoff · VoIP S22 mid · 46 parent rows.

Sprint 23 · OpenPlatform 35 + VoIP Quality 11 items In Dev, grouped by component (Platform MP / Server / Onboarding / AI Lighthouse / SDK / ...), with weekly progress placeholders.

Sunday-only spike: bad-call rate hit 10.14% (+0.97pp vs prior 4-Sun avg of 9.17%). Cross-platform, cross-version, all 12 monitored corridors moved. Signature: mid-call audio freeze + long connecting-fail (>2s).

Open Platform Q2 OKR: Objective + 6 KRs across Speed / Scale / Partner pillars. Horizontal swimlane layout.

VoIP Quality Q2 OKR: reduce bad call 5%, resolve 5 field issues, PH/IN dedicated line optimization, 2 POCs (Zoom + Microsoft). 4 KRs across Quality / Network / Innovation pillars.

Sprint 22 · OpenPlatform 20 + VoIP Quality 19 items In Dev, grouped by component (Platform MP / Server / Onboarding / AI Lighthouse / SDK / ...), with weekly progress placeholders.

Full weekly report HTML (CN/EN tabs) for 2026-05-11 to 05-17. VoIP S21 wrap-up + S22 kickoff; OP S22 in progress. 29 by-parent rows, English default.

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.

30-day evaluation (Apr 6 → May 6) of Zoom Video SDK Lite 2.4.6 as a P2P media layer. Paused 2026-05-07: POC measured 4.4–6.0 s joinSession; TestDevLab independently measured 5.6 s ringing on Zoom’s consumer app vs Botim 1.06 s. Three compounding blockers — connect time, Android minSdk 28 vs Botim 21 (~29K DAU lockout), and missing onQOSStatisticsReceived in Lite AAR.