> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.agentphone.ai/documentation/guides/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.agentphone.ai/_mcp/server.

# Guides

## Docs

- [Agents](https://docs.agentphone.ai/documentation/guides/agents.md): Create and manage AI agent personas with phone numbers, voice modes, and system prompts
- [Phone numbers](https://docs.agentphone.ai/documentation/guides/phone-numbers.md): Provision, manage, and release SMS- and voice-enabled phone numbers
- [Messages](https://docs.agentphone.ai/documentation/guides/messages.md): Send and receive SMS, MMS, iMessage, and WhatsApp — text, media, threaded replies, effects, reactions, and group chats
- [WhatsApp](https://docs.agentphone.ai/documentation/guides/whatsapp.md): Send and receive WhatsApp messages — templates, quote replies, buttons, list menus, link buttons, and reactions
- [RCS Business Messaging](https://docs.agentphone.ai/documentation/guides/rcs.md): Branded rich messaging to RCS-capable handsets, with automatic SMS fallback
- [Calls](https://docs.agentphone.ai/documentation/guides/calls.md): Voice call flows, streaming responses, live transcript streaming, recordings, and call management
- [Webhooks](https://docs.agentphone.ai/documentation/guides/webhooks.md): Configure webhook endpoints and receive real-time event notifications
- [Usage & Billing](https://docs.agentphone.ai/usage.md): Pay-as-you-go pricing, balance management, and usage monitoring
- [Sub-Accounts](https://docs.agentphone.ai/sub-accounts.md): Create isolated sub-accounts for separate campaigns, brands, or clients under one master account.