An AI Executive Assistant That Screens Every Call and Books Every Meeting

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Every AI executive assistant lives in your inbox and calendar. None of them picks up the phone. Retell AI is the AI executive assistant for that phone: a voice agent that answers and screens your calls, takes messages, books and confirms meetings into your calendar, and puts through only the people who matter. It works on your existing number, 24/7, in 31+ languages, so you stop losing focus to calls that interrupt and stop missing the ones that count.

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Trusted by over 3,000 businesses powering 30+ million calls per month.

How It Works

Go from build to a live screened call in a day, on your existing number.

Build the agent

Tell the agent who you are, how to greet callers, and who gets through. Point it at a knowledge base that holds your availability rules, what it can share, and your VIP list, then define the screening, scheduling, and message-taking logic in a drag-and-drop builder and connect your calendar. No engineering team is required for a standard setup.

Test against your real callers

Run the agent through simulation against the calls you actually get: a client you always take, a cold sales pitch, a vendor, a vague caller who will not say why, and someone insisting you pick up right now. Each run shows how it screens and what it books, so you fix the rules and validate before it answers a single live call.

Connect your line and go live

Connect your line through SIP trunking and forward calls to the agent, all of them, only the ones you miss, or only after hours. Set who gets transferred live, who gets a callback booked, and who gets taken as a message, then go live and listen to the first day of calls.

Monitor and tune the rules

Every call is transcribed, summarized, and tagged by outcome through post call analysis, so you see who called, why, and what the agent did without listening to a single recording. Review the calls it screened, catch any it judged wrong, and retrain the rules.

Use Cases

Screen every call and put through only what matters

The agent identifies who is calling and why in natural conversation, then applies your rules: a VIP goes straight through, a sales pitch gets a polite no, a vendor gets a message taken. It warm-transfers the calls worth your time with a call transfer that hands you the caller and the context, and holds the line on the rest so interruptions stop pulling you out of focused work.

Book and confirm meetings by phone

The agent checks your live availability and books appointments on Cal.com or Google Calendar during the call, with no scheduling back-and-forth. It reschedules and confirms in the same conversation, sends the caller a confirmation and a reminder, and offers only the slots you allow so meetings land where they fit your day.

Take messages and brief you

The agent captures the caller's name, number, reason, and urgency, then logs it to your CRM or inbox with the full transcript attached. It sends you a short brief by text or email after each call, so you get the gist in a line instead of a voicemail to replay, with a clean record mapped to fields rather than dumped as raw notes.

Cover you 24/7, in your voice

The agent answers nights, weekends, and the hours you are in back-to-back meetings, so the line is never dead and never busy. It greets callers in your name with one of 100+ lifelike voices, or clone your own, in 31+ languages with automatic detection.

Absorb overflow so calls never pile up

The agent fields overflow through an AI answering service, so a flood of calls never reaches you all at once and every caller still gets a live conversation.

Run reminders and confirmations by phone

Beyond screening inbound, the agent places outbound confirmation and reminder calls through batch call campaigns, so meetings hold and follow-ups happen without you touching the phone.

Compliance

Your call records are private, so the platform is built to keep them that way.

SOC 2 Type II

Call data runs on SOC 2 Type II certified infrastructure, meeting enterprise security requirements.

GDPR

Caller data is processed under GDPR, covering consent and access rights for callers in the EU.

PII Redaction

Sensitive details are masked in transcripts automatically, alongside single sign-on and role-based access so only the right people see your call records.

Feature

Why executives choose Retell AI for their phone line

Build

Deploy

Monitor

Screens everything, passes only what matters

The agent answers 100% of calls and forwards only the ones your rules allow. One firm runs all inbound through a Retell agent and transfers only about 30% to a person, with the rest handled or messaged. Results vary by setup.

Books into your calendar during the call

The agent writes the meeting into Cal.com or Google Calendar while the caller is still on the line, which ends the scheduling ping-pong a human assistant spends hours on.

Answers in roughly 600 milliseconds, sounds like a person

End-to-end latency of about 600ms with proprietary turn-taking means callers do not sit through dead air, and in testing many do not realize they are speaking with AI at all.

A fraction of a human EA

A full-time executive assistant runs well into five figures a year and covers about 40 hours a week. The agent runs from $0.07 a minute and answers nights, weekends, and overflow too.

Briefs you on every call

Built-in post call analysis gives you a transcript, summary, and sentiment for each call, so you see who called, why, and what the agent did without sitting through voicemails.

Integrations

Seamless 
Integrations with Your
Tech Stack

View All Integrations

Hubspot
Twillio
Vonage
Go High Level
8n8
Zapier
Salesforce

Hubspot
Twillio
Vonage
Go High Level
8n8
Zapier
Salesforce

Avaya
Genesys
Five9
Amazon Connect
Telnyx
Make
Cal.com

Avaya
Genesys
Five9
Amazon Connect
Telnyx
Make
Cal.com

Pricing

Cut Costs by 90% with AI phone Agents

Pay as you go

$0 to start.

$0.07–$0.12 per minute – Pay only for what you use.

60 mins of free access.

20 concurrent calls.

10 Free Knowledge Bases.

Get Started

Enterprise Plan

For companies with large volumes, data or deployment requirements, or support needs.

White glove service for your use case.

Premium support with dedicated solution engineer teams.

Custom pricing and concurrent calls based on your needs

Talk To Sales

FAQ

Frequently asked questions.

What is an AI executive assistant?

The term covers two different tools. One is a productivity assistant that triages your inbox, manages your calendar, and preps your meetings. The other is a phone assistant that answers, screens, and schedules your calls in live conversation. Retell is the second kind: a voice agent that picks up your line, works out who is calling and why, books meetings, takes messages, and transfers the calls worth your time. It differs from a basic chatbot or voicemail because it holds a real conversation and acts during the call.

Will it replace my human assistant?

No. It takes the phone off your plate, screening, scheduling, and message-taking, so you or your assistant spend time on the work that needs judgment. It transfers the calls worth taking with full context and handles the rest.

How does it know who to put through?

You set the rules: a VIP list, the reasons that warrant an interruption, and the hours you take calls. The agent screens each caller against them and either transfers live, books a callback, or takes a message.

Can it manage my email and calendar like other AI executive assistants?

It is voice-first. It answers and screens your calls and books meetings into your calendar, but it does not triage your inbox, draft emails, or optimize your time-blocking. Pair it with an inbox-and-calendar assistant for that, and let Retell own the phone those tools ignore.

Is an AI executive assistant the same as a virtual receptionist?

They share an engine and differ in who they serve. A virtual receptionist is the front desk for a business; an AI executive assistant is the personal gatekeeper for an individual, tuned to your callers, your VIP list, and your time. Both answer, screen, book, and route in live conversation.

How much does it cost?

Pay-as-you-go at $0.07 per minute with no platform fee or contract, plus $10 in free credit to start. You pay for minutes worked, not a salary, which is why it costs a fraction of a full-time assistant.