Learn how AI voice calling works — how AI phone agents use LLMs and text-to-speech to hold natural conversations, qualify leads, and book appointments automatically.
AI voice calling uses large language models (LLMs) combined with real-time speech-to-text and text-to-speech technology to hold natural phone conversations. When a lead calls or is called, the AI listens, understands intent, generates a response, and speaks — all in under 500ms.
Platforms like Vapi AI and Retell AI handle this entire stack — AutomateX360 builds the scripts, personas, and integrations on top.
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