# OnCallClerk — AI phone receptionist that answers 24/7, books into your calendar and transfers urgent callers.

> Source: Receptionist Index — https://receptionistindex.com/oncallclerk (structured, researched, re-verified)
> Facts last verified: 2026-10-15

OnCallClerk is an AI receptionist that answers a small business's phone around the clock, holds a conversation, captures caller details, books appointments and transfers urgent calls. Setup is a no-code wizard with industry templates, a voice and either a new number or call forwarding.

| Fact | Value |
| --- | --- |
| Website | https://oncallclerk.com/ |
| Price | from $29/month billed monthly, $24.17/month billed annually |
| Free trial | Partly |

14-day free trial on every plan, no credit card required, with a real phone number; the pricing FAQ also claims a permanently free starter plan but the rate card's cheapest tier is the $29 Starter Plan.

## What it costs at your call volume

**Cost at 100 calls a month** · Partly — $99 a month on Growth Plan for 100 calls of 2.5 minutes (250 billed minutes). Billing increment not stated: computed per second (2.5 min a call). If they round each call up to the minute (3 min), it is $99. Starter Plan might cost less, but no overage price is published, so it could not be priced past its allowance.

> Growth Plan $99.00 / month
> — https://oncallclerk.com/pricing · Plan cards, Growth Plan card with billing toggle set to Monthly

**Cost at 500 calls a month** · Partly — $399 a month on Pro Plan for 500 calls of 2.5 minutes (1250 billed minutes). Billing increment not stated: computed per second (2.5 min a call). If they round each call up to the minute (3 min), it is $399. Starter Plan, Growth Plan might cost less, but no overage price is published, so it could not be priced past its allowance.

> Pro Plan $399.00 / month
> — https://oncallclerk.com/pricing · Plan cards, Pro Plan card with billing toggle set to Monthly

**What it bills by** · Yes — Plans meter included call time in minutes, with each tier buying a larger monthly minute pool rather than a per-call or per-caller allowance.

> Up to 180 Minutes Call Time
> — https://oncallclerk.com/pricing · Plan cards, Starter Plan card, included-limits list

**Spam calls not billed** · Yes — Telemarketers and robocalls are screened by the agent so they do not reach the owner, though the vendor does not say whether screened calls still consume plan minutes.

> Telemarketers and spam calls are handled without bothering you. Your AI receptionist filters them out so you only hear about real inquiries.
> — https://oncallclerk.com/virtual-receptionist · Capabilities section, item 06 Filtering

## What it does on the call

**Books appointments** · Yes — The agent checks live calendar availability and writes the event during the call rather than texting a booking link afterwards, and the caller gets a confirmation.

> OnCallClerk phone agents can check availability, suggest appointment times, and confirm bookings during the call. Appointments sync to your calendar or scheduling system, and the caller receives confirmation automatically.
> — https://oncallclerk.com/virtual-receptionist · Frequently Asked Questions, 'Can the AI virtual receptionist book appointments?'

**Transfers to a person** · Yes — Transfers are rule-based on call type, time of day or caller request, and the vendor says it can brief your team on context first (warm) or pass the call straight through.

> The AI can warm-transfer (briefing your team on the call context) or cold-transfer calls to any phone number you specify.
> — https://oncallclerk.com/phone-answering-service · Frequently Asked Questions, 'Can the answering service transfer calls to my team?'

**After-hours rules** · Yes — Coverage is round-the-clock including nights, weekends and public holidays, and the vendor states after-hours callers can get a different greeting under rules you define.

> Urgent calls go straight to your mobile. Routine inquiries are handled by the AI. After-hours calls get a different greeting. You define the rules.
> — https://oncallclerk.com/phone-answering-service · The difference section, item 05 Routing / Smart Call Routing

**Urgent calls escalated** · Yes — You set what counts as urgent and the agent transfers those callers to your mobile immediately, with an instant text alert carrying caller details.

> Emergencies or high-priority callers get transferred to your mobile immediately. You set the rules for what counts as urgent.
> — https://oncallclerk.com/virtual-receptionist · Capabilities section, item 05 Routing

**Human receptionists as backup** · No — There is no human team behind the agent: the vendor markets the absence of people as the point, and unhandled questions become a message, callback promise or transfer to your own staff instead.

> When someone calls your business, OnCallClerk picks up instantly, holds a natural conversation, answers questions, captures leads, books appointments, and sends you a full transcript. All without any human intervention.
> — https://oncallclerk.com/about · Section II, 'What it is'

**Asks your questions** · Yes — You supply the services, pricing, FAQs and handling instructions the agent works from, and industry templates pre-fill qualifying questions such as a buyer's timeline and budget.

> You provide your business information, services, pricing, FAQs, and any specific instructions. The AI uses this knowledge to answer caller questions accurately.
> — https://oncallclerk.com/phone-answering-service · Frequently Asked Questions, 'Can the AI answer detailed questions about my business?'

**Answers about your business** · Yes — The agent answers service, hours, pricing and availability questions from information you enter or paste in, and offers a message or transfer rather than guessing when asked something outside it.

> Your virtual receptionist knows your business. It answers questions about services, hours, pricing, and availability using information you provide.
> — https://oncallclerk.com/virtual-receptionist · Capabilities section, item 02 Knowledge

**Texts your callers** · Partly — The agent sends the caller an SMS confirmation when it books, but nothing on the site documents two-way texting, a missed-call text back, or holding a text conversation with a caller.

> AI appointment booking is a phone-based scheduling service that takes a caller's availability, checks your real calendar, books a confirmed slot, and sends an SMS confirmation, all in one call without human intervention.
> — https://oncallclerk.com/use-cases/appointment-booking · Hero definition paragraph

## What you get after the call

**Call summary by text** · Yes — Every call produces a transcript and structured summary delivered by email, SMS or both; SMS alerts are opt-in from dashboard settings and the vendor does not charge for the messages.

> Every call produces a full transcript and structured summary. Caller details, their inquiry, and any actions taken are sent to you via email, SMS, or both.
> — https://oncallclerk.com/phone-answering-service · Frequently Asked Questions, 'What happens to the information collected on each call?'

**Recordings and transcripts** · Yes — Full searchable transcripts plus summaries come with every call and can be exported, and the privacy policy confirms call recordings are kept for 90 days by default with configurable retention.

> By default, call recordings and transcripts are retained for 90 days. Customers can configure custom retention periods or request deletion earlier.
> — https://oncallclerk.com/privacy · Section 06 Data Retention, 'Call Recordings & Transcripts'

## What it connects to

**Google Calendar** · Yes — Google Calendar is a native integration that writes the event mid-call, and the vendor states Outlook/Microsoft 365 and Calendly are also supported, with anything else reachable by webhook.

> We also integrate with Outlook/Microsoft 365, Calendly, and any system that exposes a calendar API or webhook.
> — https://oncallclerk.com/integrations/google-calendar · FAQ answer, 'Does it support Google Workspace shared and resource calendars?'

**Outlook** · Yes — Google Calendar is a native integration that writes the event mid-call, and the vendor states Outlook/Microsoft 365 and Calendly are also supported, with anything else reachable by webhook.

> We also integrate with Outlook/Microsoft 365, Calendly, and any system that exposes a calendar API or webhook.
> — https://oncallclerk.com/integrations/google-calendar · FAQ answer, 'Does it support Google Workspace shared and resource calendars?'

**Calendly** · Yes — Google Calendar is a native integration that writes the event mid-call, and the vendor states Outlook/Microsoft 365 and Calendly are also supported, with anything else reachable by webhook.

> We also integrate with Outlook/Microsoft 365, Calendly, and any system that exposes a calendar API or webhook.
> — https://oncallclerk.com/integrations/google-calendar · FAQ answer, 'Does it support Google Workspace shared and resource calendars?'

**CRM, Zapier and webhooks** · Yes — HubSpot is a native OAuth integration that logs the call and opens deals, Google Sheets captures leads, and signed call-event webhooks push to any other system directly or via Zapier, Make and n8n.

> Every call becomes a contact, deal, and logged activity with the full transcript. - Matches or creates the contact and logs the call on the timeline - Native OAuth connection — no Zapier required
> — https://oncallclerk.com/integrations · Available integrations, CRM group, HubSpot card

**Your trade’s software** · Partly — ServiceTitan, Jobber and Housecall Pro are reached through signed webhooks rather than native apps, and no dental, legal, restaurant or salon system (Dentrix, Clio, OpenTable, Mindbody) is listed at all.

> Push captured calls into ServiceTitan as customers and booking requests via webhooks. - Signed call-event webhooks mapped to the ServiceTitan API
> — https://oncallclerk.com/integrations · Available integrations, Field service group, ServiceTitan card

## Trying it, starting and leaving

**Free trial or free plan** · Partly — Every plan opens with a 14-day free trial on a real number, so you can run live calls before paying; the pricing FAQ separately claims a permanently free starter plan, which the rate card does not show.

> All plans include a 14-day free trial. You only pay for calls we actually answer.
> — https://oncallclerk.com/pricing · Line directly beneath the four plan cards

**Card required to start** · No — Sign-up takes no payment details, and the vendor repeats that promise in the pricing FAQ and on every call-to-action block across the site.

> No. You can sign up and start using OnCallClerk immediately without entering any payment information.
> — https://oncallclerk.com/pricing · Questions section, 'Do I need a credit card to sign up?'

**Sign up without a sales call** · Yes — The whole purchase and setup path is self-service through a four-step wizard with no demo call, no sales contact and no implementation consultant involved.

> There's no code to write, no APIs to integrate, no onboarding calls to schedule. You sign up, configure your agent with your business information, choose a phone number, and you're live.
> — https://oncallclerk.com/about · Section II, 'What it is'

**Setup fee** · No — The vendor states there is no setup or onboarding charge and that phone numbers, AI processing and transcription are all inside the plan fee.

> None. The price you see is the price you pay. Phone numbers, AI processing, and transcription are all included in every plan.
> — https://oncallclerk.com/pricing · Questions section, 'Are there any setup fees or hidden costs?'

**Contract and cancelling** · Yes — Billing is month to month with no contract, and you upgrade, downgrade or cancel yourself in the dashboard with changes taking effect at the next cycle, so no phone call is needed to leave.

> Absolutely. Upgrade, downgrade, or cancel at any time from your dashboard. Changes take effect on your next billing cycle.
> — https://oncallclerk.com/pricing · Questions section, 'Can I change plans later?'

## Which languages it speaks, and how it sounds

**Choose or clone the voice** · Partly — You choose from a library of more than thirty voices with accents and previews before going live, but nothing on the site offers cloning your own or a staff member's voice.

> 30+ natural voices, preview with one click
> — https://oncallclerk.com/ · How it works, Step 1 'Up and running in minutes' checklist

**Hear it before you buy** · Yes — A toll-free US demo number is published for calling the AI receptionist yourself, alongside an in-page browser demo described as a 30-second listen.

> (888) 885-5251 Toll-free US number · Available 24/7
> — https://oncallclerk.com/ · Hero demo block, 'Prefer to call from your phone?'

## Your phone number and where it works

**Keep your number** · Yes — You can keep your current business line and forward it to the agent so callers dial the number they already know, or take a new local or toll-free number instead.

> Yes. You can forward your existing number to your OnCallClerk AI agent, so callers continue dialling the same number they always have.
> — https://oncallclerk.com/virtual-receptionist · Frequently Asked Questions, 'Can I keep my existing business phone number?'

## Who it is built for

**Industries it is set up for** · Yes — Eighteen industry templates ship with pre-filled pricing, FAQs, vocabulary and urgency rules, spanning trades, property management, salons, veterinary, auto repair, legal and accounting.

> Industry-specific scripts, vocabulary, and urgency rules — so callers feel like they're talking to someone who knows the business.
> — https://oncallclerk.com/ · Section II 'Built for business / Tuned to your trade' intro, above the 18-industry directory

**Several locations or numbers** · Partly — Several numbers and agents run from one account — three on Growth, ten on Pro, twenty-five on Enterprise — but capacity is sold per plan tier, with no per-location price or multi-location management feature described.

> 3 Voice Agents 3 Business Phone Numbers Up to 600 Minutes Call Time
> — https://oncallclerk.com/pricing · Plan cards, Growth Plan card included-limits list

## Getting set up and getting help

**Setup help** · Partly — Setup is a guided self-service wizard the vendor says takes under ten minutes with templates and smart defaults, but no page offers a done-for-you build, onboarding call or managed configuration.

> Setting up an AI phone agent with OnCallClerk takes under 10 minutes. Choose a phone number, configure your AI agent with your business information and preferred voice, and go live.
> — https://oncallclerk.com/how-it-works · Questions section, 'How do I set up an AI phone agent?'

## What changed

- 2026-10-15 — Capabilities · Free tier · Plan limits · Price

## Corrections

If you represent OnCallClerk, or anything here is wrong or out of date, send a correction with a source. The operations this site accepts from an agent are listed at https://receptionistindex.com/.well-known/agents.json — that catalog needs no key to read, and each entry states its own auth.