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Which languages can my agent speak?
Which languages Kollie AI agents speak, whether they can switch language during a call, and what to do when an agent doesn't understand callers.
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All language and conversation settings can be adjusted in the Voice and Language section of the agent's settings.
Which languages are supported?
English 🇬🇧, German 🇩🇪, Dutch 🇳🇱, French 🇫🇷 and Italian 🇮🇹 are available. More are on the roadmap.

Can the agent change language during a call?
Not yet. For now, create a separate agent for each language. See How to build your AI phone agent.
The agent doesn't understand or respond properly
- Add fallback logic to the prompt.
- Use clearer, simpler sentence structure.
- Simulate calls in noisy environments to test accuracy.
See also My agent misunderstands callers.
Related articles
- Where to find transcripts, recordings and summariesFind any call in Agent Calls History and see its transcript, recording, summary, tags and comments.
- My agent interrupts, repeats itself or mispronounces wordsWhat to do when your agent interrupts callers, sounds robotic or repetitive, or mispronounces email addresses and phone numbers.
- Can my agent use a custom or cloned voice?Shape how your AI agent sounds, including voice cloning for Enterprise plans.
Still need help?
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