> ## Documentation Index
> Fetch the complete documentation index at: https://cntillion.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Guides to AI customer conversations

> Practical guides to AI agents for customer conversations: phone, WhatsApp, outbound calls and more. Learn how each works, then try it in Centillion.

GuidesHow AI agents talk to your customers, and the rules they keep.

Each guide explains one topic from the ground up: what it is, how it works, and
what to watch for. The second half shows how to do it with Centillion, with the
real dashboard steps. New to the product? Start with
[What Centillion is](https://cntillion.com/docs/introduction.md).

> [card] [AI outbound calling](https://cntillion.com/docs/guides/ai-outbound-calling.md)
>
> Consent, an honest opening, calling hours and do-not-call lists.

> [card] [WhatsApp AI agent](https://cntillion.com/docs/guides/whatsapp-ai-agent.md)
>
> The 24-hour window, templates, opt-in and Meta's rule on AI.

> [card] [AI phone answering](https://cntillion.com/docs/guides/ai-phone-answering.md)
>
> An agent on your Twilio or SIP trunk number, and when a person takes the call.

> [card] [Chatbot vs AI agent](https://cntillion.com/docs/guides/chatbot-vs-ai-agent.md)
>
> A bot that closes chats, or an agent that works inside your rules.

> [card] [Shopify support](https://cntillion.com/docs/guides/shopify-ai-support.md)
>
> Orders, returns and exchanges, with the customer confirming each change.

> [card] [Train on your data](https://cntillion.com/docs/guides/train-ai-agent-on-website.md)
>
> Your website, documents and saved answers, and how to test them.

> [card] [WhatsApp win-back](https://cntillion.com/docs/guides/whatsapp-win-back-campaigns.md)
>
> Templates, opt-in and timing for bringing customers back.


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