§16.8 · TECHNICAL dimension
Call setup latency (P50, by cell)
P50 time from carrier offer to media flowing, per cell (Ghana, US-East, US-West, EU-Frankfurt, UK-London, CA-Central). The median substrate-performance signal.
- Latest value
- —
- unknown
- Direction
- ↓ lower is better
- milliseconds
- Owner (§16.7)
- OWN_ENGINEERING
- Reviewed every 7 days
- Source
- prometheus
Target trajectory
Per-quarter targets and year-2 target. Status thresholds (green + yellow) are derived from the doctrine and direction.
| Period | Target |
|---|---|
| Baseline | 450 ms |
| Q1 | 420 ms |
| Q2 | 390 ms |
| Q3 | 360 ms |
| Q4 | 330 ms |
| Year 2 | 280 ms |
- Green threshold
- 360 ms
- Yellow threshold
- 440 ms
Trailing-180-day reading history
0 readingsNo readings recorded yet for this metric.
Linked §16.7 references
- Strategic pillars
- PILLAR_SUBSTRATE_OWNERSHIP