Wiserep - Enterprise AI Voice Call Center Platform and Automation Solution
Case Study

Case Study: How We Automated Millions of Monthly Calls for a Fortune 500 Client

Real-world implementation showcasing deployment timeline, technical challenges, and measurable business outcomes.

2025-09-07
15 min read
Wiserep Team

Introduction

Large enterprises handle an immense volume of customer calls each month—ranging from routine inquiries to mission-critical support. For one Fortune 500 leader in the financial services sector, traditional contact center operations were struggling to keep up with escalating call volumes, rising costs, and multilingual customer expectations.

In less than four months, Wiserep helped them transform their customer experience by deploying AI-powered voice automation at scale. Here's how the journey unfolded.

Project Goals

Objectives:

Reduce average handle time (AHT) and call abandonment rates
Deliver 24/7 multilingual support in English, Spanish, and Arabic
Automate at least 70% of simple, high-volume call types
Cut operational costs without sacrificing compliance or customer satisfaction
Seamlessly integrate with legacy telephony and CRM systems

Deployment Timeline

1

Assessment and Alignment (Weeks 1-2)

  • • Stakeholder workshops to map key pain points and business priorities
  • • Review of call data: 18,000+ inbound calls per month, 60% routine tasks
  • • Compliance and data privacy gap analysis (GDPR, industry regs)
2

Technical Integration (Weeks 3-6)

  • • SIP and PBX integration for seamless call routing
  • • Bi-directional data sync with legacy CRM
  • • Secure SSO and RBAC onboarding for IT and ops teams
3

AI Training & Pilot (Weeks 7-10)

  • • Uploading and annotating historical call transcripts (~1M records)
  • • Custom intent models and language packs for target scripts
  • • Progressive rollout: AI handled 15% of total call volume in first two weeks
4

Full Production Launch (Weeks 11-16)

  • • Expand AI coverage to all basic inquiries (account status, document requests, claims)
  • • Activate failover routes for complex or escalated calls to human agents
  • • Live dashboards and weekly analytics reviews with client team

Technical Challenges and Solutions

Complex Legacy Systems

Designed middleware adapters to bridge on-premise PBX and Wiserep's cloud-native AI platform.

Multilingual Consistency

Deployed advanced, culturally-aware language models to ensure fluency and correct intent across regional dialects.

High Security Requirements

Full encryption for all voice, transcript, and integration data (AES-256, TLS 1.3), plus granular access controls and automated audit logs.

Customer Experience

Crafted custom voice personas and tested over 250 sample flows to match the brand's tone and empathy standards.

Measurable Business Outcomes

72%

Call Automation Rate

Of monthly inbound calls fully handled by AI, freeing up agents for high-value scenarios.

50%+

Cost Savings

Reduction in per-call servicing costs, mainly via lower staffing and overtime needs.

<15s

Wait Time

Median wait time for all automated interactions (previously 2–5+ minutes in peak hours).

94%+

CSAT Scores

Satisfaction rate maintained on post-call surveys for automated and agent-assisted queries.

Compliance & Reporting

Automated GDPR-compliant consent, detailed call logs, and robust audit trails for all interactions.

Lessons Learned

1

Change Management Is Critical

Success required active collaboration with frontline agents for AI training and feedback.

2

Integration Drives Results

Deep, real-time integration with telephony and CRM ensured no data silos and a seamless customer journey.

3

Iterative AI Optimization

Regular, data-driven tuning of intents and conversation flows delivered ongoing gains in automation and CX.

Conclusion

AI automation at enterprise scale is entirely achievable—with the right technology, strategy, and partnership. By leveraging Wiserep, this Fortune 500 client rapidly delivered measurable improvements in efficiency, compliance, and customer satisfaction, handling millions of calls per month with ease.

Curious how Wiserep can deliver these results for your enterprise?

Latest Articles

Wiserep - AI-Powered Enterprise Call Center Platform | Voice Automation & Conversational AI