IVR Performance Testing With Real Concurrent Calls
Push your IVR and AI voice agents to their limits with autonomous evaluators that place hundreds of real concurrent calls, measuring latency, throughput, capacity, and drop rate at scale.
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Load Test Every Voice Channel. One Platform.
Inbound IVR & Support Bot Load Testing
Flood your published numbers and menu tree with hundreds of simultaneous inbound calls to see how routing, hold queues, and DTMF detection behave when every line is busy.
Inbound Call Flooding
Hit your main numbers and menu tree with hundreds of simultaneous inbound calls in a single run.
Hold & Overflow Behavior
See how wait times, hold music, and overflow routing hold up once the queue starts to fill.
Menu Integrity at Volume
Confirm every DTMF branch and transfer still resolves correctly when lines are saturated.
From One Call to Peak Traffic
Find the Breaking Point Before Your Customers Do
Ramp concurrent calls until routing slows or fails, then capture the exact concurrency, latency, and drop-rate thresholds where your IVR starts to break.
Every Performance Signal in One Run
Each load run reports response time, throughput, call duration, and drop rate together in one place, so you can read your IVR's health at a glance instead of stitching tools together.
Capacity and Throughput Planning
Turn load-test results into capacity numbers, from peak concurrent calls supported to throughput per minute, so you can plan infrastructure with confidence.
Confidence by Volume
Performance scores are weighted by call volume, giving you a reliable signal on whether your IVR can carry production-scale traffic before you ship.
Inside IVR Performance Testing on TestMu AI
See concurrency, capacity, latency, stress, spike, and soak results, plus production analysis, in one place.
CONCURRENCY & CAPACITY
Find Your IVR's Concurrency Ceiling
Customer traffic spikes and your IVR has to hold. Ramp from a handful to hundreds of concurrent real calls and capture the exact point where routing slows, queues back up, or calls drop.
Try for free- Concurrent call ramp to stress routing and telephony capacity
- Pinpoint the concurrency level where performance degrades
- Capacity numbers you can plan infrastructure against
LATENCY & RESPONSE TIME
Measure Latency and Response Time at Scale
Slow menus lose callers. TestMu AI measures menu response time, speech-to-text latency, and end-to-end call duration on every call, so you see exactly how timing shifts as load climbs.
Try for free- Menu and DTMF response time under sustained load
- Speech-to-text latency tracked on every concurrent call
- End-to-end call duration trends as concurrency rises
STRESS, SPIKE & SOAK
Stress, Spike, and Soak Test Your IVR
Real traffic is not steady. Reproduce sudden surges, hold heavy load for hours, and push past expected capacity to surface leaks, slow degradation, and the true breaking point.
Try for free- Spike profiles with configurable ramp-up curves
- Long-running soak tests to surface leaks and degradation
- Stress runs past capacity to find the breaking point
PRODUCTION ANALYSIS
Correlate Production Peaks With Performance
Load tests catch what you script; production catches what you do not. Upload real call recordings and batch-analyze them so a drift in latency, drop rate, or containment never slips by.
Start Load Testing Your IVR- Batch-analyze real production call recordings
- Track latency and drop-rate trends across releases
- Catch performance regressions before customers feel them
Built for Every Layer of IVR Performance Testing
Load Profile Management
Define target concurrency, ramp-up curves, and run duration, then reuse load profiles across environments with bulk creation support.
Test Profiles & Personas
Drive concurrent calls with reusable test data and a persona library so load reflects real callers, accents, and inputs.
Performance Thresholds
Set pass/fail SLAs for latency, response time, and drop rate per scenario with High/Medium/Low confidence tracking.
Scalable Infrastructure
Generate load via HyperExecute with optional secure tunnels for firewall-restricted IVR and telephony stacks.
Scheduling Engine
Automate load runs using preset frequencies or full custom cron expressions with IANA timezone support.
Observability & Reporting
Monitor load runs with unified dashboards, exportable reports, and real-time latency, throughput, and drop-rate trends.
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
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