Medical Center Reduces Inbound Call Volume by 60% with AI Voice Agent | Teknoloje Case Study
VOICE AI — HEALTHCARE CASE STUDY

Medical Center Reduces Inbound Call Volume by 60% with AI Voice Agent

Transforming an overwhelmed hospital call center into an efficient, multilingual, 24/7 patient support operation with zero compromise on care quality.

60% Deflection Rate 94% Patient Satisfaction Score · Multilingual 24/7 Support
HOSPITAL VOICE AI · MULTILINGUAL LIVE PATIENT CALL INBOUND CLINICAL INQUIRY Cardiology Clinic · Follow-Up Booking & Lab Report Request AI Hospital Voice Agent (Retell + ElevenLabs) "Your lipid panel results are ready in Coherent HIS. Would you like me to book your follow-up with Dr. Raza on Thursday?" ✓ Coherent HIS EHR Synced Hold Time: 0s Retell AI · ElevenLabs · Twilio · Coherent HIS API · Python · LangChain · AWS
CLIENT: Regional Medical Center
INDUSTRY: Healthcare & Clinical Services
SOLUTION: Multilingual Voice AI Automation
DEPLOYMENT: March 2026 (8 Weeks Go-Live)
INTEGRATION: Coherent HIS EHR API
60% Call volume deflection
94% Patient satisfaction score
24/7 Continuous availability
8 Weeks Time to live deployment
* Operational metrics verified across 1,800+ daily patient calls.
THE CHALLENGE

The Operational Challenge.

The medical center was facing a critical patient communication bottleneck, overwhelming agents and causing patient satisfaction scores to decline across all departments.

Overwhelming Volume

Processing 1,800+ inbound calls daily across appointments, refills, and lab inquiries with only 12 agents on staff.

Routine Bottlenecks

Agents spent 65% of their time on scriptable inquiries that required no clinical judgment, driving hold times above 8 minutes.

Declining Satisfaction

Patient satisfaction for phone interactions dropped to 61% over two years due to long hold queues and staff exhaustion.

Multilingual Demands

High regional diversity required agents who could fluently switch between Urdu, Punjabi, Sindhi, and English in real time.

OUR APPROACH

Strategic Voice AI Deployment.

Teknoloje deployed a custom multilingual Voice AI solution integrated directly with the hospital's electronic health record system, Coherent HIS.

Powered by Retell AI and ElevenLabs natural voice synthesis, the agent resolves 80% of routine inquiries autonomously while executing an immediate clinical escalation protocol for emergencies.

IMPLEMENTATION PILLARS

How the System Was Engineered.

01 — Workflow Mapping

Two weeks analyzing historical recordings, mapping intent categories, and isolating the 15 call flows that accounted for 80% of volume.

02 — Multilingual Voice Design

Built with Retell AI and ElevenLabs with distinct voices for each language and an 8-second handoff protocol for complex cases.

03 — Coherent HIS Integration

Direct REST API connection with Coherent HIS enables real-time clinician slot lookup, booking, and cancellation without human staff.

04 — Clinical Safety & Triage

A clinical escalation layer detects any mention of emergency symptoms, routing urgent callers to on-duty nursing staff instantly.

05 — Pilot & Model Tuning

A 4-week pilot on 200 calls/day with weekly intent retraining based on misclassification analysis, achieving 94% patient satisfaction.

06 — Full Hospital Production

Live across all outpatient clinics, pharmacy refills, lab result inquiries, and automated reminder outreach 24 hours a day.

"We were sceptical that patients would accept a voice AI for something as personal as healthcare. The 94% satisfaction score proved us wrong. The system handles nuance better than we expected, and our staff are finally able to focus on the calls that matter."

Dr. Saad Raza

Medical Director · Regional Medical Center

Project At a Glance

Client Regional Medical Center
Industry Healthcare & Clinical Services
Solution Multilingual Voice AI Automation
Deployment March 2026 (Live in Production)

Technology Stack

Retell AI ElevenLabs Twilio Coherent HIS API Python LangChain AWS Anthropic Claude
OPERATIONAL TRANSFORMATION

The Operational Shift

  • 1,080 Autonomous Daily Calls: The voice agent autonomously resolves 1,080 of 1,800 daily calls without human touch.
  • 18% Reduction in No-Shows: Automated confirmation and reminder calls sent 24 hours and 2 hours before appointments.
  • Staff Reallocation to Care: Reallocated 6 of 12 agents to complex patient relations and bedside support roles.
  • Comprehensive Clinical Scope: Handles appointments, lab notifications, pharmacy refills, visiting hours, and discharge follow-ups.
MEASURABLE RESULTS

Business Impact

  • 60% Inbound Volume Deflection: Routine scheduling and inquiries resolved automatically 24/7.
  • 94% Patient Satisfaction: High approval ratings measured across post-call SMS patient surveys.
  • Hold Times Under 2 Minutes: Average hold times plummeted from 8.2 minutes to under 2 minutes.
  • 40% Lower Cost Per Interaction: Significant operational cost savings compared to human agent staffing.

Facing a Similar Challenge in Patient Operations?

Let's talk about how voice AI and EHR integration can streamline your clinical communication and eliminate hold times.