Volume Discount Adjustments

Usage | Day | Night | Wknd
--- | --- | --- | ---
20-50 | -0.5000 | 0.00 | 0.00
50-100 | -0.7000 | 0.00 | 0.00
100-200 | -1.0000 | 0.00 | 0.00
200-500 | -2.0000 | 0.00 | 0.00
500+ | -2.5000 | 0.00 | 0.00
Add the adjustment (in ppm) to the call rate to get an effective rate for traffic over and above the 20k/month threshold

### Call Rates

- Call durations are rounded down to the nearest minute
- cnct=connection charge
- ppm=pence per minute cost/payout ex VAT (payouts are shown negative)