Use this guide when setting up a new agent or changing an existing voice. A well-chosen voice builds caller trust from the first second; a poor choice causes hang-ups and complaints regardless of how well the agent handles the conversation.Documentation Index
Fetch the complete documentation index at: https://docs.poly.ai/llms.txt
Use this file to discover all available pages before exploring further.
Using the Voice library
The Voice library provides tools to find the right voice:- Go to Channels > Voice > Agent Voice.
- Click Change to open the Voice library.
- Use filters for language, region, and gender.
- Preview voices with custom text before selecting.
- Save frequently-used voices to Favorites for quick access.
Accent
Choose an accent that matches your audience. Use the Voice library’s region filter to find accents that match your audience:- US English for North American customers
- UK English for British customers
- Regional variants for specific markets
Personality and texture
Match the voice to your business.| Industry/Audience | Voice Characteristics |
|---|---|
| Professional services | Confidence and reliability |
| Younger audience | Energy and enthusiasm |
| Older individuals | Maturity and trustworthiness |
| Healthcare | Calm and reassuring |
| Hospitality | Warm and welcoming |
Voice parameter settings
After selecting a voice, fine-tune Stability, Clarity, and Style to match your use case. See Agent Voice – voice settings for full parameter details.Voice selection workflow
- Browse voices in the Voice library using the Explore tab.
- Filter by language, region, and gender to narrow options.
- Preview voices using the play button and custom text input.
- Check style tags on voice cards for characteristics like “warm”, “professional”, or “energetic”.
- Save to Favorites any voices you want to compare later.
- Select the voice that best fits your needs.
- Configure settings for stability and clarity.
- Publish changes to apply to your live agent.
Best practices
- Test voices with various sentence types your agent commonly uses
- Consider how the voice sounds when delivering both good news and handling complaints
- Match voice characteristics to your brand identity
- Use the Favorites feature to shortlist options before final selection
- Review voice performance in Conversation Review after deployment
Related pages
Voice library
Browse and preview available voices
Agent Voice
Configure voice settings and fine-tuning
Voice configuration
Channel-specific settings and call handling
Multi-voice
Use multiple voices to simulate a team