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Voice AI agents
Voice AI agents give your AI agents a voice. They understand free-form speech, reason about the answer and reply in natural-sounding speech — on regular phone calls and on WhatsApp Business Calling.
Voice AI agents give your AI agents a voice. They understand free-form speech, reason about the answer and reply in natural-sounding speech — on regular phone calls and on WhatsApp Business Calling.
No menusCallers say what they need instead of pressing 1, 2 or 3.
Extends your IVRHand a call to the agent from an IVR branch; control returns afterwards.
SIP transferPass calls to third-party contact centres over SIP.
Inbound & outboundSupport lines, reminders, confirmations.
ImportantVoice AI agents is offered as an Early Access capability. Availability, scope and pricing are agreed case by case — speak to your Phonovation account manager before planning a production rollout.
How a call flows
- The call arrives and enters a Journey IVR flow.
- On the chosen branch, the Transfer call to AI agent element hands the call to your published agent.
- The agent listens, reasons and speaks — repeating until the goal is met, the caller asks for a person or the session ends.
- Control returns to the IVR with the reason the session ended, so you can route the next step.
Choose a voice processing mode
| Speech to speech | Speech to text to speech | |
|---|---|---|
| Languages | English | Wide range (check the web interface) |
| Latency | Lowest (~250–500 ms) | Good (~500–1500 ms) |
| Naturalness | Very high | High, depends on voice |
| Best for | English-only, latency-critical | Multi-language, cost-sensitive or compliance-driven |
Write prompts for the ear
- Declare voice mode in the system prompt — every answer will be read aloud.
- Keep replies to two or three short sentences.
- No lists, markdown, links or backward references.
- Spell out numbers, dates, times and abbreviations; read phone numbers in pairs.
ImportantOutbound automated calls are regulated. Make sure you hold valid consent and check ComReg / ICO and GDPR requirements before calling customers.