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How to design a call flow for an AI voice agent

InfiVoice ยท 2026-11-14

A good call flow is a short map: what the caller wants, what the agent asks, and where the call ends. Draw it first and building becomes easy.

Step 1. Pick one goal per flow

Start with a single purpose, such as booking an appointment, qualifying a lead or answering common questions. Separate goals usually deserve separate flows.

Step 2. List the questions you need answered

Write down only the details the agent must collect, like name, reason for calling and preferred time. Fewer questions keep calls natural.

Step 3. Map the main path

Sketch the happy path from greeting to a clear result. Each step should lead to the next without dead ends.

Step 4. Add branches for common detours

Callers change their mind, ask something unexpected or give unclear answers. Add a branch for each frequent case, and a polite fallback for the rest.

Step 5. Decide where a person takes over

Choose the situations that should go to your team, and what the agent says before the handoff.

Step 6. Build it in the visual flow builder

InfiVoice includes a visual flow builder, so you can lay out these steps on screen and connect them as you planned.

Step 7. Test, listen and refine

Run test calls, read the transcripts and trim any step that feels slow or repetitive.

What it costs

InfiVoice bills in credits, and one credit equals 60 seconds of call time. The Free plan includes 100 credits. Pro costs $79 per month with 250 credits.

Frequently asked questions

How long should a call flow be?

As short as it can be while reaching the goal. Add steps only when a real call needs them.

Do I need one flow for every use case?

Usually yes. Booking, support and lead qualification each work better with their own flow.

What if callers go off script?

Use fallback branches and a handoff option so the call still ends well.

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