Introduction

Build voice agents that make and answer real phone calls, and learn where everything that shapes them lives.

You assemble an agent on a canvas, connect a phone number, and it holds a conversation — listening, deciding what to say, and acting on what it hears. The speech recognition, the language model, the speech synthesis and the turn-taking are wired together for you. What you supply is the conversation.

What runs on a call

Four things happen between a caller speaking and the agent replying. Every quality question lands on one of them, so they are worth knowing by name.

Speech to text: turns the caller's audio into words as they speak, not after they finish.
A language model: reads those words against the current node's prompt, then decides what to say and what to do.
Text to speech: turns the reply back into audio, in the voice you chose.
Turn-taking: decides the moment the agent starts talking — whether a pause means your turn or I am still thinking.

The first three are configurable per organization. The fourth is tuned rather than chosen, through the interruption settings on individual nodes.

Core components

Workflow: a graph of nodes joined by edges. The graph is the agent — nothing sits behind it, and what you see on the canvas is what runs on the call.
Node: one step in a conversation. A thing to say, a question to ask, a decision to make, a system to call.
Edge: the rule for moving on — the model judging a caller's goal met, a keypad digit, or a condition on something already collected.
Run: one execution of that graph against one caller. It carries the transcript, the recording, the cost and the outcome, and it is what every report is built from.

Three things a call needs

A workflow decides what happens. A number gives it somewhere to be reached. And a region, fixed when you sign up, decides which telephony path is open to you, which compliance rules apply, and which currency you are billed in. Everything else — voices, tools, knowledge, integrations — changes what the agent can do during a call, not whether the call can happen.

Design and configure

Everything that shapes what the agent does while someone is on the line.

Goal	Guide	What it covers
Learn the vocabulary	Concepts	Workflow, run, node, edge, region — the words the rest of these pages assume
Place a first call	First call	New account to a real transcript, in five steps
Assemble a conversation	Builder	Adding nodes, drawing edges, testing without a phone number
Choose the right step	Nodes	All ten node types, what each holds, and when to reach for it
Decide what it says	Prompts	Per-node prompts, the global prompt, and why one big prompt fails
Pick how it sounds	Voices	Auditioning voices, saving a profile, and pointing a workflow at it
Act during a call	Tools	Calling out to your systems while the caller waits
Ground its answers	Knowledge	Documents the agent can consult instead of guessing
Change a live agent safely	Versions	Editing and publishing while calls are live

Connect and deploy

Getting an agent onto the phone network and into your other systems.

Goal	Guide	What it covers
Attach a phone number	Numbers	Connecting a number and choosing which workflow answers it
Reach your other systems	Integrations	The catalogue, and how authentication is handled for you
Answer incoming calls	Inbound	Routing an incoming number to a workflow
Call out to a list	Campaigns	Outbound batches, sources, and pacing

Monitor and operate

What every call leaves behind, and how it is paid for.

Goal	Guide	What it covers
Hear and read a call	Recordings	Where a finished run's audio and transcript live
See how agents perform	Reports	Outcomes across runs, built from what your agents extract
Track consumption	Usage	What is metered, and how to see it before the invoice
Understand the bill	Billing	How usage becomes an amount, and in which currency
Configure the organization	Settings	Org-level settings, including compliance configuration
Automate from your own code	API keys	Programmatic access and how keys are scoped

Regions

Your region is fixed at signup. It is not a display preference — it decides which telephony path is open to you, which compliance rules you are subject to, and which currency you are billed in.

Region	Guide	What it covers
All regions	Overview	What the choice affects, and what it cannot be changed to later
United States	United States	Connecting a number and the US compliance posture
India	India	Managed +91 numbers and the KYC requirement

Start here

New to Woise? Read what Woise is for the shape of the product, then work through your first call, which takes an empty account to a real recorded conversation.