Voice AI setup

Build a voice agent for inbound calls.

6 min read Updated 2026-04-24

Voice AI answers phone calls in natural speech. Low-latency (under 800ms), multilingual, and capable of booking calendar slots.

  1. 1
    AI Tools → Voice AI → New Agent
    Pick a template (booking, support, qualification) or blank.
  2. 2
    Pick voice and language
    20+ voices across accents. ElevenLabs custom voices supported.
  3. 3
    Write greeting
    "Thanks for calling Open Doors — how can I help?" Keep under 2 seconds.
  4. 4
    Define allowed actions
    Book appointment, take a message, transfer to human extension.
  5. 5
    Attach to a phone number
    Voice AI becomes the answering party.
  6. 6
    Test by calling from a real phone
    Always.