> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://poly-ai.ferndocs.com/agent-studio/voice/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://poly-ai.ferndocs.com/_mcp/server.

# Voice

## Docs

- [Voice](https://poly-ai.ferndocs.com/agent-studio/voice/overview.md): Configure how your agent sounds and how it listens.
- [Voice settings](https://poly-ai.ferndocs.com/agent-studio/voice/settings.md): Configure your agent's voice, greeting, disclaimer, and style prompt.
- [Handoff](https://poly-ai.ferndocs.com/agent-studio/voice/handoffs.md): Set up handoff destinations to transfer users to human agents during conversations.
- [Message templates](https://poly-ai.ferndocs.com/agent-studio/voice/message-templates.md): Send SMS messages from your agent using Twilio for confirmations, links, and follow-ups
- [Number availability & compliance](https://poly-ai.ferndocs.com/agent-studio/voice/number-availability.md): Country-by-country Twilio number availability, throughput limits, lead times, and regulatory links for 2-way SMS.
- [Audio library](https://poly-ai.ferndocs.com/agent-studio/voice/audio-library.md): Manage cached audio files to reduce voice latency.
- [Voice library](https://poly-ai.ferndocs.com/agent-studio/voice/voice-design/voice-library.md): Browse, preview, and select voices for your agent.
- [Choosing a good voice](https://poly-ai.ferndocs.com/agent-studio/voice/voice-design/choosing-a-good-voice.md): Guidelines for selecting the right voice for your agent.
- [Use more than one voice](https://poly-ai.ferndocs.com/agent-studio/voice/voice-design/multi-voice.md): Assign multiple voices to simulate a team of agents.
- [Add a voice](https://poly-ai.ferndocs.com/agent-studio/voice/voice-design/add-a-voice.md)
- [Custom voice](https://poly-ai.ferndocs.com/agent-studio/voice/voice-design/custom-voice.md): Commission a brand-exclusive custom voice for enterprise accounts.
- [Numbers](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/overview.md): Connect phone numbers to your agent using PolyAI, Twilio, or outbound calling
- [Buy a number from PolyAI](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/buy-a-number-from-poly-ai.md): Purchase phone numbers directly in Agent Studio.
- [Phone numbers](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/phone-numbers.md): Add, manage, and track phone numbers used by your agent.
- [Outbound calling](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/outbound-calling.md): Configure outbound calls for appointment reminders, follow-ups, and notifications
- [Twilio](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/twilio/overview.md): Connect your Twilio account to use existing phone numbers and SMS with PolyAI
- [Phone number integration](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/twilio/phone-number-integration.md): Integrate a Twilio phone number with PolyAI Agent Studio
- [Handoff integration](https://poly-ai.ferndocs.com/agent-studio/voice/numbers/twilio/handoff-integration.md): Set up handoff destinations with Twilio
- [Advanced voice settings](https://poly-ai.ferndocs.com/agent-studio/voice/advanced-settings.md): Configure model selection, barge-in, filler phrases, safety filters, keyphrases, transcript corrections, and pronunciation for voice agents.