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Product · Voice Agents

Build a voice agent in minutes.

A no-code builder for real-time AI phone agents. Set the persona, prompt, voice and language - publish, and Artha starts taking calls.

  • No signup needed
  • 5 free calls
  • 130+ languages
Agents page in the Vistrow Voice dashboard on a laptop: three voice agents including Artha Front Desk, each live with a readiness score and a Test agent buttonArtha · LiveChanges apply next call

Languages

130+

Including 10 Indian languages and Hinglish

Builder

No code

Persona, prompt, voice and language

Changes

Next call

Nothing to redeploy

Testing

Before launch

Browser test call or the Testing Lab

Agent header and setup checklist in the Vistrow Voice dashboard: Artha Front Desk is live and ready for calls, with persona, voice, knowledge, channel and go live done
The setup checklist shows what is done and what is next before the agent takes calls.

Multilingual

Speaks more than 130 languages, including 10 Indian languages and natural Hinglish, and switches mid-call with the caller.

Grounded answers

Ties responses to your knowledge base with strict-mode RAG, so the agent says it does not know instead of improvising.

Human handoff

On phone calls, transfers to the colleague you set when a caller needs a person. Website calls take a callback request instead.

Analytics & transcripts

Every call is transcribed, scored, and searchable across channels and agents.

Built to be trusted on a call

Hear it on a real call before you decide.

Artha answers in your language, works on your number and your website, and leaves a record of every call.

Consent and recording, your call

Require spoken consent, switch recording on or off and set how long records are kept.

130+ languages

Hindi, Hinglish and 9 other Indian languages included. The agent follows the caller.

Phone and website

The same agent can answer your number and the call button on your site.

Every call logged

A transcript for every call, plus the lead fields captured and the audio if recording is on.

How call data is handled
How it works

From a blank page to a live agent.

Every setting lives on the agent’s own page, and changes apply from the next call with no redeploy.

  1. 1
    Step 1

    1. Create the agent

    Start from scratch, or describe your business and let the AI builder draft an agent that you review and edit before it is saved.

    Create and edit an agent
  2. 2
    Step 2

    2. Set voice, language and prompt

    Pick the model, a voice you have added from the Voices page, the language the agent opens in, a welcome message and the system prompt that tells it how to behave.

  3. 3
    Step 3

    3. Test it

    Talk to the agent in the browser with its real configuration, or have it ring your phone. The Testing Lab plays situations such as an impatient caller or Hindi-English switching and checks the result.

    Test an agent
  4. 4
    Step 4

    4. Put it where callers are

    Attach a phone number for inbound calls, add the website widget, or use it in a campaign. Each agent card shows a readiness score and the next step to finish.

    Inbound calling
What you can configure

The controls behind each agent.

  • Voice and delivery

    Choose who speaks first, voice delivery, emotion intensity, noise suppression and background ambience. Preview voices in Hindi or English before you add them.

    Choose voices
  • Functions

    Booking appointments, callback requests, lead capture and “do not call me again” are always available. End call, web search and keypad tones can be switched on or off.

    Functions and transfer
  • Transfer to a person

    Set a transfer phone number and the agent can dial your colleague into a phone call and stay on until they answer. Web calls cannot be transferred to a phone.

  • Variables and extraction

    Define {{variable}} names with fallback values for prompts and greetings, and list the fields to pull from every transcript, such as budget or location.

  • Memory

    Turn on memory and the agent recognises returning callers by phone number, using a short summary of past calls.

  • Webhook and CRM routing

    Post one agent’s lead and appointment events to its own URL, or limit it to specific integrations instead of all of them.

    Webhook and CRM routing
Flow of Artha transferring a phone call: the caller asks for a person, Artha dials a colleague in and stays on until they answer
With a transfer number set, Artha dials a colleague into the phone call and stays on until they answer, or takes a callback request.
Who it is for

One agent per job, not one agent for everything.

Teams usually run several focused agents rather than one that tries to do it all.

  • A front-desk agent

    Answers the business number, handles common questions and books appointments for clinics, coaching centres and service businesses.

    Healthcare
  • A lead-qualification agent

    Asks the questions your sales team would ask and saves each answer as a lead field, for example in property enquiries.

    Real estate
  • A regional-language agent

    Opens in Hindi, Marathi, Tamil or another supported language and follows the caller if they switch.

    Supported languages
Three agent cards in the Vistrow Voice dashboard: a clinic front desk, a property enquiries agent and an EMI reminders agent, each with its voice, language and readiness score
One agent per job: a front desk, a property enquiry agent and a reminder agent, side by side.

Plans decide how many agents and minutes you get. The pricing page lists what each plan includes.

See it in the dashboard

The same screens your team will use.

These are views of the real Vistrow Voice dashboard, with sample data.

Artha Front Desk agent page in the Vistrow Voice dashboard: setup checklist for persona, voice, knowledge, channel and go live, settings tabs and a browser test call
  1. 1

    Setup checklist

    Persona, voice, knowledge, channel and go live, with a tick as each is done.

  2. 2

    Every setting on one page

    Instructions, voice and language, knowledge and tools, conversation and after the call.

  3. 3

    Talk to it in the browser

    Talk now runs a test call with the saved agent and your microphone.

Before you decide

The questions buyers ask first.

What does it cost?

Usage is measured in minutes of conversation, and the voice and model you choose change how quickly minutes are used. Telephony is billed separately by the provider you connect.

How pricing works

How much setup is it?

No code. Set the persona, prompt, voice and language, test it in the browser, then publish. Later changes apply from the next call.

Create an agent

Can a person take over?

On phone calls the agent can dial in the colleague you set and stay on until they answer. Website calls take a callback request instead.

Functions and transfer

What if it does not know?

With strict mode on, it quotes your approved answers and says it will check with the team when something is not covered, rather than guessing.

Knowledge base

Still deciding? Ask Artha yourself.

  • No signup needed
  • 5 free calls
  • 130+ languages
Works with
SlackZoho CRMGoogle SheetsZapierAny CRM
FAQ

Questions, answered.

The things people ask us most. If yours isn’t here, talk to us and a person will reply.

Ask us directly

No - the builder is entirely no-code. Set the persona, prompt, voice, and language, then publish.

A curated set of natural voices across Indian languages and English, previewable before you publish.

Yes - talk to any agent in the browser instantly, with the exact prompt and voice it will use on real calls. The Testing Lab also runs scenarios such as an angry caller, a silent caller or a booking conflict and shows checks like opening quality and tool accuracy.

Changes apply from the next call; there is nothing to redeploy. You can save a scenario as a custom regression test in the Testing Lab and re-run it after each prompt change.

Yes, on phone calls. Set a transfer number on the agent and it can dial that person into the call on request. Web calls cannot be transferred to a phone.

Yes, if you turn on Memory for that agent. It recognises the caller by phone number and uses a short summary of past calls.

Live demo

Put an AI agent on every call.

Try Artha live in your browser, or book a walkthrough with our team.

  • No signup needed
  • 5 free calls
  • 130+ languages