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Answers change from call to call
The same question can get a different response every time. Fixed expected outputs don't work, so you need tests that judge intent and quality.
Conversational AI Testing
Voice agent testing with an AI caller on the other end
Voice agent testing gets hard when your AI phone agent can say anything and callers interrupt, mumble, or change their minds. Robonito puts its own AI agent on the line as the caller, so you test real conversations before customers have them.
Free forever plan · No code required
Teams that refuse to trade speed for quality ship with Robonito
01The problem
Your voice agent sounded great in the demo
Then it met real callers. They talk over it, call from noisy cars, ask two things at once, and want a human the moment something goes sideways. Scripted test calls can't reproduce that, and listening to recordings doesn't scale.
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Real-world conditions trip it up
Interruptions, accents, background noise, and long pauses expose problems a quiet test call never will.
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Policy slips are costly
One call where the agent promises a refund it shouldn't, or skips a required disclosure, can turn into a real problem for your business.
02Capabilities
What voice agent testing covers in Robonito
Robonito tests your AI phone agent the way callers use it, and reviews each conversation the way your team would.
01
Inbound and outbound calls
Test agents that answer customer calls and agents that place them, from the greeting to the wrap-up.
- Inbound
- Outbound
02
Intent handling
Check that the agent understands what the caller wants, including rephrased, vague, or multi-part requests.
- Intents
- Multi-turn
03
Interruptions and barge-in
See how the agent recovers when a caller talks over it, changes topic, or corrects themselves mid-sentence.
- Barge-in
- Turn-taking
04
Latency, accents, and noise
Spot awkward pauses and run calls with different accents and noisy conditions, so the agent holds up outside a quiet office.
- Latency
- Accents
- Noise
05
Escalation to a human
Confirm the agent hands off when it should, with the context a human agent needs to pick up the call.
- Handoff
- Escalation
06
Policy adherence
Check that the agent sticks to your rules: required disclosures, promises it must never make, and topics it should decline.
- Policy
- Guardrails
03How it works
Agent-to-agent voice agent testing, step by step
- 1
Define callers and goals
Describe the caller personas and what each one wants, from a simple balance check to an upset customer asking for a manager.
- 2
A Robonito agent makes the call
Robonito's AI agent plays the caller, holds a real conversation with your voice agent, and logs every turn.
- 3
Another agent reviews it
An evaluating agent checks each conversation for correctness, intent, and quality, and flags anything that broke your rules.
04Real examples
Voice agent test calls worth running every release
The interrupting caller
Halfway through the agent reading out options, the caller says "just the last one." The test checks that the agent stops, understands, and moves on without starting over.
The appointment reminder
Your outbound agent calls to confirm an appointment. The test caller asks to reschedule, then asks something the agent can't answer, and you see whether it escalates cleanly.
The policy push
A caller pushes hard for a refund outside your policy. The evaluating agent checks that your voice agent stays polite, holds the line, and offers the right next step.
05Evidence
Evidence your voice agent is ready for real callers
Every test call leaves a record your team can review before you put the agent in front of more customers.
Turn-by-turn conversation logs
Read what the caller said, how the agent responded, and where the conversation went wrong.
Proof you get: Turn-by-turn log for each test call
Quality evaluations
Each conversation is assessed for correctness, intent, and quality by an evaluating agent, with the reasons spelled out.
Proof you get: Agent-to-agent evaluation for each conversation
Trends across runs
Reporting shows pass rate and failure clusters over time, so you can see whether a prompt change helped or hurt.
Proof you get: Execution overview with failure clusters
06Ways to start
Start small, prove it, then scale
01
Start free
Try Robonito on your own web app with the free-forever plan. No code required, and no time limit.
02
Prove it on your application
Run a no-obligation proof of concept on your real system. You get clear results and a clear recommendation before you commit.
03
Work with Robonito experts
Robonito Professional Services helps with test strategy, migration from existing suites, and rollout across your teams.
Explore Professional Services07FAQ
Frequently asked questions
What is voice agent testing?
Voice agent testing checks that an AI phone agent handles real conversations correctly: understanding intent, answering accurately, coping with interruptions and noise, following policy, and handing off to a human when needed. Because AI voice agents don't give the same answer every time, testing focuses on judging the quality of each conversation rather than matching exact scripts.
How do you test an AI phone agent?
You test an AI phone agent by running realistic calls against it and evaluating each one. With Robonito, an AI agent plays the caller with a defined goal and persona, holds a real conversation with your agent, and a second agent evaluates the result for correctness, intent, and quality. You review the failures and rerun after every change.
What is agent-to-agent testing?
Agent-to-agent testing uses one AI agent to generate the interaction and another to evaluate it. For voice agents, Robonito's agent acts as the caller, and an evaluating agent judges whether your voice agent was correct, understood the intent, and kept quality high. It lets you test open-ended conversations that fixed scripts can't cover.
Can voice agent testing cover outbound calls?
Yes. Robonito can test voice agents that place outbound calls as well as ones that answer inbound calls. For outbound calls, the Robonito agent plays the customer and responds the way a real person might, such as asking to reschedule, pushing back, or asking for a human, so you can see how your agent copes.
How do you test a voice agent for latency and accents?
Make latency, accents, and background noise explicit test conditions instead of hoping they show up. Robonito's test calls let you check for slow or awkward pauses and run conversations with different accents and noisy settings. Comparing results across runs shows whether a model or prompt change made the agent better or worse under those conditions.
How do I get started with voice agent testing?
Book a demo with our team. We'll look at how your voice agent is built, which calls matter most, and the policies it must follow, then show you Robonito's AI caller testing it. In the meantime, you can start free to explore Robonito's web test automation on the rest of your product.
Put your voice agent on the phone with ours
Book a demo to see a Robonito agent call your AI phone agent, push it like a real caller, and show you exactly where it slipped.
- Free forever plan
- No code required
- No-obligation proof of concept