### Answer Retell AI currently supports 31+ languages [(1) ]() , including: - English (US, India, UK, Australia, New Zealand) - Spanish (Spain, Latin America) - French - Chinese - German - Hindi - Japanese - Portuguese (Portugal, Brazil) - Russian - Italian - Korean - Dutch - Dutch (Belgium) - Polish - Turkish - Vietnamese - Romanian - Danish - Finnish - Greek - Indonesian - Norwegian - Slovak - Swedish - Bulgarian - Hungarian - Malay - Catalan - Thai Additionally, Retell agents have the option to auto-detect and switch to 10+ languages including English, Spanish, French, German, Hindi, Russian, Portuguese, Japanese, Italian, Dutch, and more [(2) ]() .

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

​ To learn more, see the sources I considered: [[1] Retell AI Supported Languages - AI for Multilingual Conversations | Retell AI](https://www.retellai.com/blog/how-to-use-ai-phone-agents-for-multilingual-communication) [[2] AI Voice Agents in 2026: Everything Businesses Need to Know | Retell AI](https://www.retellai.com/blog/ai-voice-agents-in-2026) ​

### Answer Yes, you can configure your agent to start in Hebrew and switch to English when needed. Here's how: In the Retell AI dashboard, switch the language selector to Multiselect and pick Hebrew and English (or any specific English variant like en-US) [(1) ]() . When you configure multiple languages this way : - Speech recognition figures out which of the selected languages the caller is speaking and transcribes accordingly - Voice pronunciation detects the language of each response and uses the matching pronunciation - Agent text is allowed to respond in any of the selected languages and chooses based on what the caller speaks (and any instructions you give in the prompt) So your agent can start speaking Hebrew, and if the user switches to English or requests English, the agent will detect this and respond in English . Important note on Hebrew support: Hebrew is listed as a supported language by OpenAI TTS provider [(2) ]() . The specific TTS providers that support different languages are: - OpenAI: Supports Hebrew (along with 40+ other languages) - ElevenLabs, Cartesia, MiniMax: Do not list Hebrew in their supported languages Make sure you're using a voice from OpenAI if you need Hebrew support .

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

​ To learn more, see the sources I considered: [[1] Configure a multilingual agent](https://docs.retellai.com/agent/multilingual) [[2] Set language for your agent](https://docs.retellai.com/agent/language) ​

### Answer Based on the available sources, I don't have specific information about which OpenAI voice to choose for Hebrew in Retell AI. The documentation confirms that OpenAI supports Hebrew as a language [(1) ]() , but doesn't specify which particular OpenAI voices work best for Hebrew pronunciation. You'll need to test the available OpenAI voices in the Retell dashboard to find which one provides the best Hebrew pronunciation for your use case. When selecting a voice, make sure you've set your agent's language to include Hebrew (either as a single language or in a multilingual configuration with English) . If you need more specific guidance on OpenAI voice selection for Hebrew, I'd recommend checking out these resources: - [Set language for your agent]() - [Visit Documentation]() You could also ask if anyone has experience with Hebrew voices in the community, or reach out to [hire a certified Retell partner]() for implementation help.

​ To learn more, see the sources I considered: [[1] Set language for your agent](https://docs.retellai.com/agent/language) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

### Answer Pour récupérer le numéro de l'appelant dès le début de l'appel et l'utiliser pendant la conversation, vous pouvez utiliser les variables dynamiques système de Retell AI [(1) ]() . ## Variables système disponibles Retell AI fournit automatiquement ces variables pour les appels téléphoniques : -

{{user_number}}

: Le numéro de téléphone de l'utilisateur (from_number pour les appels entrants, to_number pour les appels sortants) -

{{agent_number}}

: Le numéro de téléphone de l'agent (to_number pour les appels entrants, from_number pour les appels sortants) -

{{direction}}

: Direction de l'appel,

inbound

ou

outbound

## Comment utiliser ces variables Vous pouvez utiliser

{{user_number}}

dans : - Prompts : Instructions et personnalité de l'agent - Begin message : Message d'accueil initial - Configurations d'outils : URLs de fonctions personnalisées, descriptions d'outils, descriptions de propriétés - Gestion d'appels : Messages de messagerie vocale, numéros de transfert d'appel, instructions de transfert chaleureux ## Exemple d'utilisation Dans votre prompt ou begin message, vous pouvez inclure :

"Je vous envoie un SMS, votre numéro se termine bien par {{user_number}} ?"

Les espaces autour du nom de la variable seront supprimés lors de l'évaluation de la variable . Pour créer une réservation ou envoyer un SMS, vous pouvez passer

{{user_number}}

dans la configuration de vos outils personnalisés (dans les URLs ou descriptions) . SOURCES UTILISÉES:

​ To learn more, see the sources I considered: [[1] Dynamic Variables](https://docs.retellai.com/build/dynamic-variables) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.