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Voice conversations / Business workflows

AI Voice Assistant for Business

Vapi browser test calls connected to n8n for business questions and appointment workflows.

Architecture preview — built workflow, testing in progress.

Edited browser tests · 18 Oct 2026

Hear the conversation. See the workflow.

Two recorded Vapi browser tests. Pauses and contact details have been removed; some screen frames are held briefly for readability. English captions and transcripts are included.

Captions follow the call transcript; punctuation edited for readability.

Featured demo1:12 edited demo

Booking an appointment

An edited booking request, availability conversation, and spoken appointment confirmation.

Read transcript

On screen: Edited browser booking test. Recorded 18 October 2026.

Caller: I'd like to book a consultation. What appointments are available tomorrow afternoon?

Assistant: Just to confirm, you would like to book a free 30-minute AI automation consultation tomorrow, October 19, 2026, in the afternoon. Could you please specify a preferred time in the afternoon, for example early afternoon around 1 to 3 PM, or late afternoon around 3 to 6 PM?

Caller: I'd like to book an appointment at 12:00 PM.

Assistant: 12:00 PM is actually noon, not afternoon. Would you like me to check availability for 12:00 PM, or for a time later in the afternoon on October 19, 2026?

Caller: Continue with the 12:00 PM appointment.

Assistant: The 12:00 PM slot for the free 30-minute AI automation consultation on October 19, 2026 is available. Would you like to proceed with booking this appointment? If yes, please provide your full name and a callback phone number.

On screen: Contact details entered. This private exchange is omitted.

Assistant: Your appointment for the free 30-minute AI automation consultation is confirmed for October 19, 2026, at 12:00 PM.

Assistant: Is there anything else I can assist you with today?

On screen: Booking confirmation received in this browser test. Testing continues.

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Additional test1:06 edited demo

Rescheduling and an unavailable-slot question

A changed appointment time, followed by a question about an occupied slot.

Read transcript

On screen: Edited browser rescheduling test. Recorded 18 October 2026.

Caller: I'd like to reschedule my appointment.

Assistant: I can help with that. Could you please provide me with your full name and the phone number you used for the appointment? Also, if you know the current appointment date and time, that would be helpful.

On screen: Contact details entered. This private exchange is omitted.

Assistant: Thank you, Apsal. To reschedule, please tell me your preferred new date and time for the appointment.

Caller: The same day. I need to book at 12:00 PM.

Assistant: The 12:00 PM slot on October 19 is available for rescheduling. Would you like me to proceed with rescheduling your appointment to that time?

Caller: Yes.

On screen: The recorded rescheduling tool reports completed successfully.

Assistant: Your appointment has been successfully rescheduled to Monday, October 19 at 12:00 PM. Is there anything else I can assist you with today?

Caller: Wait. Can you book a time that is already taken?

Assistant: I cannot book or reschedule an appointment to a time slot that is already taken. I can only help with available slots. Would you like me to check for other available times for you?

On screen: Rescheduling and unavailable-slot responses demonstrated. Testing continues.

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These are browser test calls, with n8n coordinating the backend workflow. They demonstrate selected test conversations, not a production telephone service. No telephone number or separate telephony provider is connected.

Business problem

Customer conversations need to connect a spoken request to the right business information or action.

What I personally built

I built a Vapi voice assistant with browser-based test calls and n8n backend workflows connected to Google Calendar, Google Sheets, Gmail, and Telegram.

Tools & integrations

Vapin8nGoogle CalendarGoogle SheetsGmailTelegram

How the workflow works

  1. Receive a browser test call through Vapi.
  2. Interpret the request and route it to the relevant n8n workflow.
  3. Coordinate the supported business-tool action and return its result.
  4. Deliver a spoken response through Vapi.

Testing & evidence

Edited browser-test recordings from 18 October 2026 demonstrate booking and rescheduling conversations, with captions and transcripts. Contact details and pauses are removed, and some screen frames are held briefly for readability. Broader end-to-end reliability testing is still in progress; no telephone number or separate telephony provider is connected.

Outcome & current status

Architecture preview — built workflow, testing in progress. The architecture shows the intended integration; it is not a production telephone service.

n8n Vapi voice receptionist backend with intent routing, Calendar availability, booking, rescheduling, Google Sheets updates, Gmail, and Telegram
Actual implementation screenshotView Workflow Image

Explore the architecture

Browser test call

Vapi provides browser-based test calls. No telephone number or separate telephony provider is connected.

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