Optimal dynamic agent state assignment

Details Optimal dynamic agent state assignment Optimal dynamic agent state assignment

1999-12-13

2003-09-16

Smith, Creighton (Department: 2742)

Telephonic communications

Centralized switching system

Call distribution to operator

C379S265110, C379S309000

Reexamination Certificate

active

06621901

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to call center management and, more particularly, to optimal dynamic agent state assignment.
BACKGROUND OF THE INVENTION
A call center is a common interface between a commercial interest and its customers. A toll-free telephone number is often provided to customers as a source of such services as product information and technical support. Agents are hired to receive incoming calls and provide the customers that call the toll-free telephone number with a service. Call centers may also be a source of outbound calls. Agents place calls which may, for instance, follow-up the provision of a service, announce new products, schedule a delivery or canvass donations.
Often, the pool of agents is subdivided into sets of agents according to common skills, i.e. language proficiency, possessed by each agent. For instance, a pool of agents may be divided into skill-sets for proficiency in English, French and German. Understandably, some agents may be part of more than one skill-set.
An inbound call at a call center may be directed to an agent in a particular skill-set based on information supplied by a caller. For example, a needed skill-set may be determined through answers to voice response questions. Information about a caller may already be held in a customer database, populated by information received on a product registration form or in previous dealings with the customer and this information may be used instead of, or as well as, information learned via voice response answers.
A blended call center uses one pool of agents as a source of outbound calls and as a resource for receiving inbound calls. It is in the best interest of a call center administrator to minimize waiting time, that is, the length of time a customer spends on hold, waiting for an agent. It is also in the best interest of the call center administrator to minimize the number of paid agents and maximize their use. Unfortunately, these interests are at odds with one another. If all agents are busy either receiving or placing calls, none are available to receive the next inbound call. If all agents are available to receive calls, then they are not being used efficiently. Thus, a balance must be struck.
SUMMARY OF THE INVENTION
The present invention is directed toward determining an optimal mix of agents, subject to a grade of service (GOS) constraint, handling outbound and inbound calls in a blended call center environment. Optimality is achieved through the ability to capture real time data via a real time interface (RTI) for each skill-set.
In accordance with an aspect of the present invention there is provided, at an agent assignment server in communication with a call center, the call center having a pool of agents assigned to an inbound state and a pool of agents assigned to an outbound state, a method of optimizing a size of a pool of agents assigned to a preferred state, here the preferred state is one of inbound state and outbound state, the method including receiving call information from the call center, optimizing, based on the received information, the size of the pool of agents assigned to the preferred state, determining, based on the optimizing, a change in the size of the pool of agents assigned to the preferred state and communicating the change to the call center. In other aspects of the present invention an agent assignment server is provided to carry out this method. In a further aspect of the present invention there is provided a software medium that permits a general purpose computer to carry out this method.
In accordance with another aspect of the present invention there is provided, at an agent assignment server in communication with a call center, a method of initializing the call center including determining a maximum size of a pool of agents to be assigned to an inbound state given a maximum expected call rate and communicating the maximum size of a pool of agents to be assigned to an inbound state to the call center. The method further includes receiving information from the call center, optimizing, based on the received information, an initial size of the pool of agents assigned to the inbound state and communicating the initial size of the pool of agents assigned to the inbound state to the call center.


REFERENCES:
patent: 5425093 (1995-06-01), Trefzger
patent: 6278777 (2001-08-01), Morley et al.
patent: 6282283 (2001-08-01), Wineberg et al.

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