AI voice agents for business phone calls
Let callers talk to a helpful voice, then reach a person whenever they need one.
AI voice agents handle phone calls by listening, understanding and replying in a natural spoken voice, then booking, answering or transferring to a colleague. We design the call flow with you, tune the pauses and make sure callers are told they are speaking with AI.
One in-house team since 2015 · Free audit, no obligation
Phone problems that AI voice agents help with
A ringing phone is both the most valuable and the hardest channel to cover. These are the call-handling worries we hear, with what we set up for each.
- 01
“Calls go to voicemail when we're busy, and most callers never leave a message.”
WHAT WE DOWe connect a phone number through a telephony provider such as Twilio, answer with a voice agent that finds out why the person called, then books, answers or takes a message and sends you the summary.WHAT CHANGESMissed calls turn into logged requests, and you start each day knowing who called and why. - 02
“Phone menus frustrate callers, and half of them just press zero.”
WHAT WE DOWe replace press-one menus with open conversation: the caller says what they need, the agent responds, and unclear or sensitive calls transfer to a person, with the reason for the call passed to whoever picks up.WHAT CHANGESCallers reach the right outcome by simply talking, and your staff receive calls with context. - 03
“I don't want a robotic voice that talks over people and sounds fake.”
WHAT WE DOWe choose and test a natural voice, tune how quickly it responds, set it to stop talking when the caller speaks and rehearse real calls with background noise, accents and people who change their minds midway.WHAT CHANGESConversations feel natural enough for callers to get what they need without frustration. - 04
“Is it even allowed to use AI on calls, and what about recording?”
WHAT WE DOThe agent states at the start that it is an AI, we record or transcribe only with clear consent, store recordings under rules you approve, and work alongside your counsel on telecom and privacy requirements.WHAT CHANGESCallers know who they are talking to, and your recording practice is something you can explain.
A phone call needs an answer in the moment
A caller will not wait the way a web visitor will. If nobody answers, they hang up and try someone else. Yet staffing the phones through every busy hour, lunch break and evening is costly, and the menu systems that fill the gap often irritate people more than they help.
AI voice agents listen to the caller, understand what they want and reply in a natural voice. They can answer common questions, book into your calendar and take messages, then transfer to a person when the call needs one. Speech is harder than text because timing matters, so we tune pauses, interruptions and handovers with test calls.
- Callers reach voicemail and never call back
- Your phone menu sends people to the wrong place
- Staff stop work to answer routine questions
What AI voice agents change about answering the phone
What changes for your business once it’s done properly.
- 01
Fewer missed calls
Every call is answered, whether your team is busy, on another line or closed, and requests that once vanished into voicemail are captured with details.
- 02
Conversation, not menus
Callers state what they want in their own words instead of pressing numbers, which feels friendlier and gets people to the right outcome sooner.
- 03
People on hand for what matters
Urgent, emotional or complicated calls transfer to a person with a summary, so the human conversation begins where the agent leaves off.
- 04
Transcripts you can review
Where recording or transcription is permitted, you can read calls afterwards to find confusing moments and improve the script.
What's included in our AI voice agents service
- 01Call flow and script design
- 02Speech recognition and voice
- 03Calendar and CRM connections
- 04Warm transfer to staff
- 05AI disclosure and recording consent
- 06Interruption and delay tuning
- 07Call transcripts and summaries
- 08Test calls before launch
Tools we build with.
- Twilio
- Vapi
- ElevenLabs
- Deepgram
- OpenAI API
- HubSpot
- 01Fixed-scope projectA defined scope, timeline and price. Best for MVPs, websites and well-defined builds.
- 02Dedicated teamEngineers, designers and QA working as part of your team on a monthly basis.
- 03Support retainerOngoing maintenance, upgrades and improvements with agreed response times.
How our AI voice agents process works
- 01
Discover
Workshops to understand your goals, users, process and constraints, ending in a clear scope and estimate.
- 02
Design
User flows, wireframes and clickable prototypes tested before development starts.
- 03
Build & test
Two-week sprints with a working demo each cycle, code reviews and automated tests.
- 04
Launch & support
Staged release, monitoring, training and ongoing support as you grow.
What clients say
“Our Google Ads campaigns were burning through budget with little to show for it. All In One Marketing Pro stepped in and completely revamped our strategy, targeting the right audience and optimizing our ads for conversions and our website also google map. Within three months, our cost per lead dropped by 65%, and our ROI improved significantly. They solved a problem we thought was unsolvable! Thank you so much Lovi and all in one marketing team”
Alissa Mandzuk-PowerClient review “We had no real strategy for social media before, but after working with All In One Marketing Pro, our engagement skyrocketed! Our Instagram and Facebook pages grew by over 150%, and we’re now getting consistent leads directly from social media. Their content is top-notch, and they truly understand how to turn followers into customers.”
N KaurClient review “All in One Marketing has played a crucial role in the growth of my cardiology practice. Their targeted strategies have greatly enhanced patient engagement through social media, and by the second month of running Google Ads, we began seeing a steady influx of new patients. They are highly professional and results-driven! Thank you”
Emma NClient review
Reviews are in each client’s own words. Results differ from business to business, with the market, the budget and the starting point.
The AI receptionist service covers one job: answering a business's incoming calls. Voice agents are the wider build, including outbound reminders, call-backs, several phone numbers and deeper connections to your CRM and booking tools. Many businesses start with a receptionist and extend it later. We scope whichever job you actually need.
Yes, we always have the agent say so at the start. It is the honest approach, callers react better to it than to a surprise, and disclosure expectations keep growing. The agent can still be warm and use your business's style. It never claims to be a named person, and callers can ask for a human at any point.
Modern speech recognition copes with many accents and some noise, but it is not perfect. Interruptions, background sound and poor phone lines cause mistakes, and delays in the reply can feel awkward. We test with realistic calls before launch, tune response timing, have the agent confirm names and times aloud, and transfer when it is lost.
For open-ended requests, usually, because callers speak naturally instead of hunting through options. A traditional menu is still reliable for a short, fixed set of choices and costs less per call. We sometimes keep a simple menu in front and use the voice agent behind it. The right mix depends on how varied your calls are.