---
Title: "What Is Voice AI? How It Works in Customer Service"
Url: "https://computer.io/glossary/voice-ai"
Topic: "Agentic AI"
Description: "Voice AI lets computers understand speech and respond in natural voice. How voice AI agents work, customer service uses and how they differ from IVR."
---

# What is voice AI?

Voice AI is technology that lets software understand spoken language and respond in natural-sounding speech, combining speech recognition, language models and text-to-speech. In customer service, voice AI agents answer calls, resolve requests and hand off to people.

## How it works

1. Speech-to-text converts the caller's words.
2. A language model understands and decides.
3. Tools look up or update records.
4. Text-to-speech replies.

## Voice AI vs IVR

|  | IVR | Voice AI |
| --- | --- | --- |
| Input | Keypad, fixed phrases | Natural speech |
| Flexibility | Menu trees | Open conversation |
| Actions | Limited | Can resolve requests |

## Uses

Order status, appointment booking, password resets and call triage.

## FAQ

### Is voice AI the same as a voice assistant?

Voice assistants are one application of voice AI.

### Can voice AI handle accents?

Modern models handle many accents, though accuracy varies.

### When should voice AI hand off to a person?

For complex, emotional or high-risk issues, or when asked.

## Related terms

- [Conversational AI](https://computer.io/glossary/conversational-ai)
- [AI customer service agent](https://computer.io/glossary/ai-customer-service-agent)
- [How does voice AI work in customer service?](https://computer.io/answers/how-does-voice-ai-work-in-customer-service)

## How Computer helps

- [Voice ai](https://devrev.ai/voice-ai)

## Further reading

- [Chatbots vs conversational ai](https://devrev.ai/blog/chatbots-vs-conversational-ai)