How Do AI Phone Agents Work?
AI phone agents work by converting speech to text, understanding the caller's intent, querying your business systems for information, generating a natural response, and speaking it back in real time. They can also take actions like booking appointments or sending follow-up texts during the call.
What technology powers an AI phone agent?
Phone agents combine speech recognition, large language models, function calling, text-to-speech, and telephony integration. Each layer handles a part of the conversation: listening, thinking, acting, and speaking.
Can they sound natural?
Yes. Modern text-to-speech models include pauses, intonation, and filler words. The best agents also handle interruptions, clarifications, and background noise.
What happens when the AI can't help?
A well-built agent recognizes its limits and transfers to a human with full context — including the caller's info, what was said, and what the AI already tried.
Frequently asked questions
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