A multilingual voice agent can understand and reply in more than one language during a single call.
The multilingual voice agent below can reply in the caller's most recent language on every turn. I started the conversation in Spanish, then switched to English, then to Hindi, and then back to Spanish.
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This guide walks you through deciding whether you need one, setting it up, and getting the best accuracy out of it.
When to use a multilingual voice agent?
Use a multilingual voice agent when callers may speak different languages, and you cannot tell which language they will use before the call begins.
For example, some of your callers may speak Spanish, while others speak English, or a caller may start in English and then switch to Spanish mid-call.
Note: A single-language agent is always more accurate, so reach for a multilingual agent only when you genuinely need it.
How to build a Retell AI Multilingual Voice Agent?
Follow the steps below: