What is workforce management?
Workforce management (WFM) is the discipline of getting the right number of people, with the right skills, available at the right time to handle customer contacts. In a contact centre, it is the engine behind every roster.
WFM covers both planning and execution. It starts with a forecast of demand, turns that into a staffing requirement, builds schedules that people can actually work, and then manages the live day as reality departs from the plan. Most medium and large contact centres use dedicated WFM software, often integrated with the telephony platform or CCaaS system.
The workforce management cycle
WFM usually follows a repeating cycle.
- Forecasting. Historical data is used to predict contact volume and average handle time by channel and by interval, often every 15 or 30 minutes. Forecasts account for seasonality, day-of-week patterns, marketing campaigns, billing runs and known events.
- Capacity planning. Over a longer horizon, planners work out how many staff need to be hired and trained to meet expected demand in future months.
- Staffing calculation. Forecast workload is turned into the number of agents needed in each interval, usually with Erlang C or a simulation model, against a target service level.
- Shrinkage. The requirement is grossed up for shrinkage, the time agents are paid but not available for contacts.
- Scheduling. Shifts, breaks, training and leave are arranged to match the requirement as closely as possible, within employment agreements and agent preferences.
- Real-time management. On the day, analysts monitor queues, agent occupancy and schedule adherence, moving breaks, reassigning skills or calling in extra help as needed.
- Review. Actual results are compared with the forecast to improve the next one.
Why workforce management matters
Labour is usually the largest cost in a contact centre, and service is directly shaped by how well staffing matches demand. Overstaff and you pay for idle time; understaff and customers queue, abandonment rises and agents burn out.
Good WFM also supports agents. Fair, predictable rosters, sensible break placement and realistic occupancy all contribute to wellbeing and retention, which in turn reduces unplanned absence.
The limits of workforce management
WFM is excellent at planning for the predictable. It is much less able to deal with the unpredictable. A call avalanche after a storm, network fault or public incident can bring many times normal volume in minutes. Nobody can roster for that in advance without carrying huge, expensive idle capacity the rest of the year.
That’s why resilient contact centres pair WFM with flexible options:
- Overflow call handling to send excess calls to a partner.
- Surge capacity that can be switched on at short notice.
- Blended resourcing, where agents shared across queues or clients can move to where demand is.
- Automation, such as an AI voice assistant, that scales instantly for routine calls.
The best plans combine accurate forecasting for the everyday with ready-made arrangements for the day the forecast is wrong.