Mio is an AI phone assistant that makes and answers calls on your behalf. You send a text message describing what you need — "Call the dentist and move my appointment to next week" — and Mio places the call, guides through phone menus, waits on hold, talks to the person on the other end, and sends you a summary when it’s done. The service supports 70+ languages and operates on a pay-as-you-go model with no subscription.
The Problem Mio Solves
Phone calls remain necessary for many tasks — booking appointments, canceling services, resolving billing issues, confirming reservations — but they’re time-consuming, often involve waiting on hold, and require active attention during business hours. Mio automates these routine calls so users can delegate them entirely. The AI handles the conversation in real time, adapts to what the other person says, and reports back with a text summary of what was discussed and decided.
How It Works
The workflow has three steps:
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Text what you need. Send a message to Mio describing the call purpose, similar to texting a friend. "Call the restaurant and make a reservation for four at 7pm on Friday."
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Mio handles the call. The AI places the call using your caller ID, guides through automated phone menus, waits on hold, and has a natural voice conversation with the person who answers. It adapts in real time rather than following a rigid script.
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Get the result. Mio sends a clean text summary — what was said, what was decided, and what happens next. The summary appears in your chat feed.
Core Capabilities
Outbound calling. Mio places calls on your behalf for any task you describe via text. It guides through phone trees, waits on hold (no charge for hold time or ringing), and speaks naturally with real people.
Inbound call answering. Forward your phone number to Mio. It answers incoming calls, takes messages, confirms appointments, and screens spam. The AI responds to callers conversationally rather than playing a generic voicemail greeting.
Memory. Mio saves contacts, preferences, and frequently called places. After the first call to a business or person, subsequent calls require less instruction because the AI remembers context from previous interactions.
Live status updates. During an active call, Mio reports status in real time — ringing, connected, on hold. You know exactly what’s happening as it happens.
Scheduled calls. Set a future time and Mio calls automatically at the specified hour. Useful for calling businesses that only answer during specific windows.
70+ languages. Mio handles calls in your language or the recipient’s language. This is useful for international calls or for users who need to communicate in a language they don’t speak fluently.
API and Integrations
Mio provides an API endpoint for programmatic call triggering. This allows integration with external systems — CRM platforms, scheduling tools, or custom workflows. Webhooks deliver real-time call details and status updates to your system as calls progress. This targets businesses that want to embed AI phone handling into existing support or sales workflows.
Privacy and Call Recording
Mio doesn’t record call audio. The service stores text transcripts and conversation summaries but doesn’t save the spoken audio. This offers privacy benefits — only the text content of the interaction is retained. Users are responsible for complying with local call monitoring laws, since recipients may not always be aware they’re speaking with an AI. Legal requirements around AI disclosure during phone calls vary by jurisdiction.
Plans at a Glance
| Item | Detail |
|---|---|
| Model | Pay-as-you-go, no subscription |
| Signup credit | $5 free on signup, no card required |
| Billing | Charged per actual conversation time |
| Excluded from charges | Hold time, phone menus, and ringing aren’t billed |
| Balance expiration | Prepaid balances don’t expire |
| Refunds | Balances are non-refundable |
The pay-as-you-go model means no recurring fees. Users add funds to a prepaid balance and pay only when Mio is actively talking on a call. The $5 signup credit allows testing the service without payment.
What Could Be Better
Mio isn’t suitable for high-stakes conversations that require human judgment, empathy, or precise legal/medical/financial advice. The AI can misinterpret nuance or make errors in complex discussions. The service is explicitly prohibited for illegal uses including telemarketing, robocalling, spam, harassment, or fraud.
Call quality depends on the AI’s ability to understand the other party and respond appropriately. Heavily accented speech, poor phone connections, or unusual vocabulary may cause misunderstandings. Users who need audio recordings of calls won’t get them — only text transcripts are available.
The service currently operates as a consumer-facing product. Enterprise features like team management, shared contacts, or volume pricing aren’t listed on the website. Businesses with high call volumes may find the per-conversation pricing expensive compared to dedicated receptionist services.
Visit Mio – Your AI Phone Assistant — https://mio.gg/