Test AI Voice Agents With Real Phone Calls Before Real Callers Do
Deploy autonomous evaluators that call your AI voice agents like real customers, scoring every conversation across 30+ metrics for accuracy, quality, and production readiness.
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Test Every AI Voice Agent Mode
QUALITY EVALUATION
Score Voice Agents Across 9 Quality Metrics
Evaluate every audio turn against 9 quality dimensions, from bias and hallucination to flow.
- Bias detection flags discriminatory or unfair responses
- Hallucination detection identifies false or unsupported information
- Context awareness measures multi-turn memory and coherence
EVALUATION PARADIGMS
Live Test Calls and Production Recording Analysis
Simulate live calls before launch. Batch-analyze production recordings after deployment.
- Pre-evaluation simulates live inbound and outbound calls
- Post-evaluation batch-analyzes uploaded MP3 and WAV files
- DTMF detection and speaker-identified playback included
AUDIO QUALITY
Voice Quality, STT Accuracy, and Acoustic Resilience
Measure pitch, Voice Quality Index, signal-to-noise ratio, and STT accuracy on every call.
- Average pitch tracked against the 85-300 Hz normal range
- Voice Quality Index scored on a 0-5 composite scale
- STT accuracy logged with precise mismatch examples per call
VOICE CONFIGURATION
Test Real-World Conditions with Telephony Controls
Configure voice libraries, background noise, call duration, and global phone numbers.
- 20+ country codes with masked phone number management
- 15 background noise presets including cafe, factory, and rain
- Configurable max duration, response timing, and first speaker
End-to-End AI Voice Agent Evaluation
9 Quality Metrics Across Every Voice Conversation
Bias, hallucination, completeness, context awareness, response quality, flow, user satisfaction, and file accuracy.
30+ Telephony Metrics on Every Call
FCR, CSAT, STT accuracy, intent recognition, latency, containment rate, and voice quality scored on every call.
Pre and Post-Evaluation Coverage
Simulate live test calls before launch. Batch-analyze real production recordings with the same scoring rubric.
Automated Issue Detection
Patchy audio, hallucinations, running-in-loop, incorrect STT, and no-response events flagged on every run.
Built for Every Layer of Voice Agent QA
Project & Environment Management
Create voice agents, manage test environments, and scope variables with bulk creation support across inbound and outbound channels.
Test Profiles & Persona Library
Drive evaluations with caller personas across languages, accents, and emotional states for realistic multi-demographic coverage.
Custom Validation Criteria
Define evidence-based pass/fail rules per call scenario with High, Medium, and Low confidence tracking.
Scheduling Engine
Automate voice agent test runs using preset frequencies or full custom cron expressions with IANA timezone support.
Security & Infrastructure
Execute on HyperExecute with optional secure tunnels for firewall-restricted telephony stacks and voice agent endpoints.
Issue Detection & Alerting
Flag patchy audio, latency spikes, incorrect STT, loop failures, and no-response events automatically on every test run.
Success Stories of TestMu AI (Formerly LambdaTest)
50%
reduction in test execution time
“HyperExecute is a highly reliable test execution platform and has excellent customer support.”
Sagar Uday Kumar
Sr. Engineering Manager
Some love from our customers!
As Best Egg expanded its product offerings and entered new markets, we knew our old testing infrastructure couldn’t keep up.
With support from Tenny Agustin, our Engineering Operations Lead, we modernized our approach with
TestMu AI
Best Egg
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Excited to Share My Learning Journey with Kane AI & Lambda Tool!
I'm pleased to announce that I've recently gained hands-on experience exploring Kane AI through the Lambda Tool and it’s been a fantastic journey of upskilling!
KaneAI
Suryateja Goud
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See how is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.
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Microsoft India
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