Caller:Hi, I land late tonight. Can I still check in?
Playbook: Late check-in
- 1.Ask: Booking reference
- 2.Use: Check booking
- 3.Send: Check-in details
Playbook complete
Voice agent
AI agents that sound like your best hire.
A reply in about 0.7 seconds, on a real phone call.
Hear a real call
Talk to our live agent from your browser, and hear how it answers, looks things up and hands off.
What happens in the 0.7 seconds
From the moment the caller stops speaking to the moment they hear the first word, the call passes through four stages. Each one is built to start before the last one finishes.
0 ms175 ms350 ms525 msFirst word
Listen
Think
Act
Speak
0 ms01
Listen
The caller's speech is transcribed as it arrives, so the agent hears the sentence end the moment it does, not after a pause.
02
Think
The reply is drafted by a fast language model.
03
Act
The agent follows the current step of your playbook and calls your tools, such as a booking lookup, before it speaks.
04
Speak
The reply is spoken as it is written. The first words go out while the rest is still being generated, and the audio goes to the phone line without being re-encoded along the way.
Sounds like your front desk
Fillers
No dead air
When the agent checks a booking, the caller hears soft typing instead of silence. It stops the moment the answer is ready.
Background soundComing soon
A room behind the voice
A quiet background, such as an office or a hotel lobby, so calls sound like they come from your front desk.
Languages
Multilingual
Choose the language for each agent: English, Spanish, French, German or Portuguese.
- 01
Pick a voice, then tune it
Choose from the voice library, set talking speed for voices that support it, and set creativity to control how freely the agent words its replies. A hotel concierge can sound warm and unhurried with consistent wording. A busy clinic line can sound brisk.
- 02
Fast, and right
Speed is only useful if the answer is correct. The agent works through the playbook you wrote one step at a time, so a long procedure does not slow a turn. It calls your tools, branches on what they return and keeps what the caller already said.
See how playbooks work - 03
Your number, your carrier
Link your Twilio or Telnyx account and import your numbers. They stay in your carrier account, and one number reaches one agent. Test from your browser with no number needed.
- 04
When a person is needed
The agent follows your handoff rules. The call lands in the Inbox with the transcript, a summary and the details it collected.
How fast is it, really?
About 0.7 seconds from the caller finishing to the first word, measured on a real phone call. Speed varies with the tools a step calls.
Do you record calls?
No. Calls are transcribed and the transcript is stored for the period you choose. We do not store call audio.
Can callers interrupt it?
Yes. If the caller starts talking, the agent stops and listens.
Can I keep my number?
Yes. Import it from Twilio or Telnyx.
Do you sell numbers?
Yes, in the US and Canada. You can also bring your own number from Twilio or Telnyx.
Which languages?
English (UK and US), Spanish (Spain and Latin America), French, German and Portuguese (Brazil and Portugal). Each agent speaks the one language you choose for it.
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