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Voice & Phone medium to set up

Plivo and UltraVox AI Voice Assistant

When Plivo receives a call, this workflow generates an XML response to join an UltraVox audio stream for AI voice assistant interaction.

Verified 2026-07-07

Developer-Engineering

What it does

You receive incoming calls from Plivo that automatically connect you to an AI voice assistant via UltraVox through a generated audio stream session. By configuring your API keys and system prompts, this workflow ensures every call triggers the correct interaction without manual setup.

How it works

When it runs
Triggered by an event · Event · on incoming call
How hands-off
Assists you, you do the final step
Setup
An afternoon · about an afternoon
Works with
Plivo, UltraVox, HTTP Request

Tools that fit

Services

Plivo : Voice call initiation and XML response

LLM

UltraVox : AI voice assistant session management

api

HTTP Request : Connecting Plivo to UltraVox via API

Watch out for

Seen in the wild

Want this running in your business?

This is what I do. I design and build AI agents like this one, and keep them running. If you want it set up for your team instead of doing it yourself, get in touch.

Get in touch

Who it's for

Built for developers who want the busywork around code automated, not the code itself.

Frequently asked questions

Who is this for?

developers and engineers, or anyone doing voice & phone work who wants this handled automatically rather than manually.

How long does it take to set up?

An afternoon: plan for about an afternoon to get it running end to end.

Related use cases

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