Test Case: Virtual Call Center Optimization for Large Telco

Customer:
Tier-1 Telecommunications Organization (undisclosed name)

Objective:

Reduce workforce headcount by at least 13% across geographically dispersed call centers without compromising service level agreements (SLAs).

Business Problem:
  • The customer operated physical call centers requiring ~2,000 agents.
  • Recruiting and retention challenges were escalating costs and reducing agility.
  • High variance in call volume made manual scheduling inefficient.

Solution Provided by ESI LABS:

  • Implementation of a Virtual Call Center Model, decoupling location from staffing.
  • Deployment of a modern Workforce Management (WFM) platform.
  • Custom configuration of:
    • Demand Forecasting Engine: Predictive modeling using historical and contextual data.
    • Scheduling Optimizer: Proprietary algorithm that minimizes staffing while meeting SLA targets.
Implementation Timeline:
  • Duration: Less than 4 months
  • Phases: Assessment → Modeling → Pilot → Rollout
Expected Outcomes:
  • Reduce staffing requirements by 13%
  • Maintain existing SLA performance levels

Results Achieved:

15%

Headcount reduced by 15%

90%

SLA KPI adherence improved by 90%

90%

Fully operational modern WFM solution delivered on time

Conclusion:

The transformation to a virtual, algorithm-driven call center delivered measurable workforce savings and improved service metrics within an accelerated timeline.

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