
110 3.7 Creating value through workforce optimization
are clearly understood and communicated to management, this approach
can be very useful when combined with other approaches.
Customer survey
A fourth method for choosing service level is to conduct a customer survey.
This involves analyzing caller tolerance.
It is always a good idea to know what callers expect, but random call
arrival means that different callers have different experiences with a call
center. Even for a modest service level such as 80 percent answered in 60
seconds, over half the callers will get an immediate answer. Some may still
be in the queue for three to five minutes (assuming ...