We’ve just come through two periods that may have put some pressure on you to closely monitor call volume: the holiday sales period starting on Black Friday and the post-holiday returns and discounts period. We tend to refer to periods such as these as “peak” periods—those where call volumes increase over normal levels for an extended period of time. Depending on the nature of your business, you may have other peaks during the year as seasonal demand for products and services.
Staffing for peak periods can be stressful because accurate staffing goes a long way toward balancing excellent customer service and cost-effective operations. You want the right staff on hand to handle calls in a timely manner while keeping staff-related costs within budget.
So then, what does it mean to have “the right staff”? There are two common variables to look at here:
- The number of staff scheduled for shifts.
Overstaffing can be costly in wages. As well, you may be paying for more physical space and equipment than you need. Understaffing can be costly in terms of customer service if calls wait too long in queues or you have overtaxed agents trying to deal with customer issues.
- The experience level of agents.
You need to find the appropriate knowledge balance for each shift. More experienced agents can provide support to junior staff, whether it’s regarding knowledge transfer or issue resolution. However, you don’t want to overweight shifts with more senior staff than is really needed because these are likely your most expensive staff in terms of wages.
In September’s blog, we talked about the benefits of using workforce management software to assist with both agent scheduling and adherence. Understanding the agent resources available to you is a good start to staffing shifts properly and in a cost-effective way.
However, developing a predictive approach to forecasting staffing requirements is invaluable. Predictive forecasting means basing future staff schedules on well-founded assumptions about expected demand, such that you can accurately estimate future workloads. In our case, this means anticipating call volume and understanding the resources (such as agent experience and queue capacity) available to meet call demand.
One of the best ways to predict future activity is to look at similar periods in the past. Here’s where a reporting solution can provide a wealth of data. Being able to look not just at last year’s data, but several years of accumulated data helps you separate the meaningful call patterns from the true aberrations. Let’s say that call volume increased 25% in December for four of the past five years. On first glance, it would seem reasonable to plan for a 25% increase this year. It’s important, though, to look at the circumstances around call volume in that fifth year.
- If call volume was significantly higher than 25%, find out whether your company took any extra measures to reach new customers or to introduce special promotions. There may also have been external reasons, such as an increase in your region’s population or the close of a competitor’s business.
- If call volume was significantly lower than 25%, try to find whether there is any justification for the decrease. Anything from an economic recession to a shift in the company’s objectives or executive team should be looked at carefully to understand whether they may come into play this year.
It’s well worth the time to develop a predictive approach to forecasting. When you add up the time between Black Friday and the end of the January sales season, we’re really not talking about a small blip in normal activity. In fact, this time period represents 25% of your annual call patterns. Understanding what happened this year will greatly increase your ability to develop accurate schedules next year.
We hope we’ve given you good reasons to take the guesswork out of staff forecasting, Next month, we’ll look at statistics and techniques that will give you the basis for making accurate predictions.
See you next month.

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