An AI voice bot that talks with your callers, not at them.
A plain-language guide to voice bots: what they are, how a call works, what one sounds like, and how to run one for your business on the phone and on your website.
What a voice bot is.
A voice bot is a computer program you can talk to. You call a number or press a button on a website, and instead of a recorded menu asking you to press 1, something answers and asks what you need. You reply in your own words; it replies in a natural voice; and when the call ends, the business has a written record of what was said and what was agreed.
Older voice bots matched keywords against a fixed script and broke as soon as a caller said something unexpected. Today’s AI voice bots use language models, so they cope with how people actually talk: half-sentences, a change of mind, an English word in the middle of a Hindi sentence. They are still only as good as the instructions and facts you give them, which is why the setup work is mostly writing down what your best staff already know.
Four things happen on every turn.
It listens
Speech recognition turns what the caller says into text as they speak, including Hindi-English and other mixed speech.
It decides
A language model reads the conversation with your instructions and knowledge base, and works out the next thing to say or do.
It speaks
A synthetic voice says the reply. Callers can interrupt, and the bot stops and listens, as a person would.
It acts
Tools let it do things during the call: check free slots and book one, request a callback, save lead details, or transfer the call.
A made-up dental clinic, in the Hinglish many callers use. The bot offers only slots that are free in the clinic’s calendar, and does not quote a price it was not given.
- Voice botNamaste, Sunrise Dental Clinic. Main appointment mein madad kar sakti hoon. Bataiye?
- CallerHaan, mujhe cleaning ke liye aana tha, is Saturday ho sakta hai?
- Voice botSaturday ko 11 baje aur 3 baje ke slot khaali hain. Kaunsa theek rahega?
- Caller11 is fine. Price kitna hai cleaning ka?
- Voice botClinic ki list ke hisaab se cleaning ka charge doctor checkup ke baad confirm hota hai. Main 11 baje ka slot book kar doon? Aapka naam bata dijiye.
- CallerRohan Mehta.
- Voice botHo gaya, Rohan ji. Saturday 11 baje, cleaning. Kuch aur?
The record after the call.
In a real deployment, a call like this would leave behind:
- A booking in Appointments for the chosen slot, marked as made by the agent
- The full transcript, a short summary and the recording if recording is on
- The caller’s name and number in Contacts
- Any after-call fields you defined, such as the service asked about
- A copy sent to the CRM, Slack channel or sheet you connected
For a longer example with the call output laid out, see the Hindi lead qualification demo call or talk to Artha yourself.
Where each part of a voice bot lives.
| You want to | Where it is |
|---|---|
| Decide what the bot says and does | Agent instructions, persona and welcome message, drafted for you by Build with AI |
| Keep its answers factual | Knowledge base with approved Q&A pairs and strict mode |
| Choose how it sounds | Voices page, with a default language per agent |
| Let it book or hand over | Built-in booking, callback and lead tools; transfer on phone calls |
| Reach it by phone | Phone numbers connected over SIP and routed to the agent |
| Reach it from your website | Website widget: a call button, no app or phone number needed |
| Check it before customers do | Testing Lab scenarios and saved regression tests |
| Get the result after the call | Calls history plus Zoho CRM, ArthaLeads, Slack, Google Sheets or a webhook |
Good jobs for a voice bot.
- Answering the same questions many times a day, in several languages
- Taking enquiries and asking the qualifying questions before sales calls back
- Booking, rescheduling and confirming appointments
- Picking up after hours, when the alternative is a missed call
- Talking to website visitors who would rather speak than type
Jobs to keep with people.
- Complaints that need someone with authority to fix them
- Medical, legal or financial judgement
- Questions your knowledge base does not answer yet
- Long, high-value conversations where trust matters most
Replacing a keypad menu specifically? The voice agent vs IVR comparison goes through it.
What a voice bot costs to run.
Usage is counted by conversation minutes and the voice and model tier you choose; number rental and carrier charges are separate.
Voice bot questions.
The things people ask us most. If yours isn’t here, talk to us — a person replies.
Ask us directlyA voice bot is software that holds a spoken conversation with a person, usually on a phone call or a website. A modern AI voice bot understands free speech instead of keypad presses, answers from information you give it, and can take actions such as booking an appointment.
Voice bot, voicebot and AI voice agent are used for the same thing; agent tends to mean one that can take actions as well as answer. A chatbot works in text. Many businesses use both, but a voice bot reaches people who would rather call than type.
A call where the other side is an AI voice bot rather than a person or a recorded menu. With Vistrow Voice that can be a phone call to or from your business number, or a call a visitor starts from your website in the browser.
They should. We recommend the welcome message says it is an AI assistant, and you can require spoken consent for recording at the start of the call. Being upfront also makes callers more patient with the occasional repeat.
With strict mode on, it says it will check with the team instead of guessing, and it can take a callback request. On phone calls with a transfer number set, it can bring a colleague into the call.
The first draft is quick with Build with AI. The time goes into writing down your real answers for the knowledge base and running test calls until the hard cases sound right. Plan for testing, not just building.
Talk to a voice bot right now.
Artha is our own AI voice agent. Start a call in your browser, switch languages mid-sentence, and see how it handles you.
- No signup needed
- 5 free calls
- 99 languages