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Queuing Theory and Erlang Distribution Explained from a Call Center Perspective

Queuing is a widely used concept that is an integral part of inbound contact centers. An ACD or Automatic Call Distributor is used by the call centers for distribution of incoming calls to particular agents or resources, ACD can hold the incoming calls in FIFO (Fast In First Out) sequence until an agent is free to attend a call. From the perspective of a caller, if there was no virtual queuing available, they would have only two options available to them; wait till the time an agent is available or hang up/abandon the call and try calling back later. As far as a call center is concerned, a long queue would mean several abandoned calls, customer dissatisfaction and repeat attempts on the part of the customers.

Topics: Call Center Software call routing strategies