# Forecasts are multiskill and multichannel · Ecosystem



## Sources and go deeper

- [Workforce management](https://www.five9.com/platform/insights-and-analytics/workforce-management). vendor. last checked 2026-10.
- [Erlang (unit)](https://en.wikipedia.org/wiki/Erlang_(unit)). wikipedia. last checked 2026-10.
- confirm. The WFM page says multiple forecasting algorithms and does not name them. This lesson does not call the engine Erlang C. last checked 2026-10.