An AI voice agent that answers every call, 24/7
SonicVanta answers your business phone in a natural, human-like voice — booking appointments, answering questions, and taking messages while you focus on the work.
Your AI phone answering service, always on
One agent that handles the calls you don't have time for — exactly the way you would.
Answers every call, 24/7
Nights, weekends, holidays — your AI voice agent picks up on the first ring, so no caller ever hits voicemail.
Books appointments
Checks your availability and schedules callers directly, then confirms the booking before hanging up.
Answers questions
Trained on your business information, it gives accurate answers about your services, hours, and pricing.
Takes detailed messages
Captures the caller's name, number, and reason for calling, and delivers a summary to you instantly.
Transfers to a human
When a call needs a person, the agent recognizes it and hands off to your team with full context.
Speaks 100+ languages
Serve every caller in the language they're most comfortable with — automatically.
Live on your phone line in three steps
Set up your voice
Pick a voice from 1000+ options or clone your own, and teach the agent how your business answers calls.
Connect your number
Point your existing business number to SonicVanta — no new hardware, no phone-system overhaul.
Go live
Your AI voice agent starts answering immediately. You see every call, transcript, and booking in one dashboard.
Built for businesses that live on the phone
Small businesses
Sound like a full front-desk team without hiring one. Every caller gets a professional answer.
Clinics & practices
Let patients book, reschedule, and get answers without tying up your front desk.
Service companies
Capture every job inquiry — even when your whole team is out in the field.
After-hours coverage
The calls that come in at 9pm are often the most valuable. Your agent never clocks out.
Everything people ask about AI voice agents
What is an AI voice agent?
An AI voice agent is software that answers and makes phone calls using a natural, human-like voice. It understands what callers say, responds conversationally, and completes tasks like booking appointments or taking messages — without a human on the line.
Will my callers know they're talking to AI?
SonicVanta voices are designed to sound natural and conversational. We recommend being transparent with callers, and the agent can introduce itself however you prefer — that's fully configurable.
Can AI agents make outbound calls?
Yes. SonicVanta call agents can handle outbound calls such as appointment reminders and follow-ups. Outbound calling is subject to consent and telemarketing regulations (such as the TCPA in the US), and we help you configure your agents to comply.
What happens when the AI can't handle a call?
The agent recognizes when a request is beyond what it's allowed to do and transfers the call to a member of your team, passing along everything discussed so far. If no one is available, it takes a detailed message instead.
Will AI replace call center agents?
AI voice agents are best at handling high-volume, repetitive calls — answering FAQs, booking, routing. That frees your human team for complex, sensitive conversations where people matter most. Most businesses use both together.
How is this different from an AI answering service?
A traditional answering service relies on human operators reading scripts. An AI answering service like SonicVanta answers instantly at any hour, speaks 100+ languages, connects directly to your calendar and CRM, and costs a fraction of per-minute operator pricing.
Never miss another customer call
See how SonicVanta's AI voice agent sounds answering calls for your business — book a demo and we'll set one up with you.
Explore the full SonicVanta platform