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Typically answers in under 3 seconds.

One number, one team building it and keeping it running. Below you see one day of calls, one example call word for word, and what happens under the surface.

  • A natural Finnish-language voice with no translation lag
  • Connects to your Google Calendar, other calendars are tailored
  • A text message to the customer, an email summary to you, automatically
  • Onboarding in 3–5 days, one month notice period

The demo is free · Onboarding in 3–5 days

§ 01 Example

The anatomy of one call.

An example case, not a real customer. A typical call takes 1 to 2 minutes. Below you see one example of the rhythm, and what the customer and you receive after the call.

  1. Customer 14:37:02 Direct call

    Hi, the kitchen pipe is blocked. Could you come this evening?

  2. Umasvoice 14:37:14 Reply delay 0.4 s

    Hello, sorry to hear that. Pekka's calendar is full today, but tomorrow at 9 would be free. Does that suit you?

  3. Customer 14:37:42

    That suits me. The address is Mannerheimintie 21, apartment 4.

  4. Umasvoice 14:38:08 Calendar booking + text message

    All set, I have booked tomorrow at 9 for Mannerheimintie 21, apartment 4. I have sent you a text message confirmation. Pekka will call on the way. Anything else?

TEXT MESSAGE · TO THE CUSTOMER 14:38:34

Putkiapu Pekka: your booking is tomorrow at 9, Mannerheimintie 21 apt. 4. Pekka will call on the way. Reply CANCEL to cancel.

§ 02 Technology

What happens under the surface.

In plain words, without abbreviations. We name the individual service providers in the written agreement. They can change. The experience of using Umasvoice does not.

Call connection
The customer call connects in real time, and the audio is never stored.
< 50 ms
Speech understanding
A Finnish-language model that also recognises trade vocabulary and regional dialects.
< 600 ms
Processing what was said
Answers with your business information only, and never invents entries in the calendar.
< 800 ms
The reply voice
A natural Finnish voice, with no robotic stress on the words.
< 200 ms
Booking the appointment
Google Calendar in production. Outlook, Calendly and your own system are tailored.
Real time
Messages to the customer and to you
A text message about the booking for the customer, an email summary for you.
< 7 s
End to end
Measured from the end of the customer speaking to the start of the reply.
< 3 s
§ 03 Team

The same team builds it and answers.

Umas Oy is a company registered in Espoo. The same people build Umasvoice, and the same people pick up the phone when something goes wrong, with no outsourcing and no ticket queues.

We build the Umasvoice call flow from your business information in 3–5 days. You tell us what to ask, Umasvoice learns the rest.

Umas Oy · Espoo · Business ID 3604932-4 · founded 2026

  • Call audio is never stored
  • Written agreement
  • Developed in Finland

One demo, your own industry, 15 minutes.

Hear what Umasvoice sounds like 0:57
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No minimum term · 1-month notice · No setup fee