Channels
Phone support that picks up
Every call answered on the first ring.
By a voice that sounds like a real teammate.
Works with
Customer Stories
Hear it straight from the teams
running on Open
Why Open
Voice AI Features
Natural conversations powered by advanced AI
International Numbers
Get local phone numbers in 100+ countries. No international fees for your customers.
Custom Voices and Voice Cloning
Clone your brand voice or create custom voices using ElevenLabs. Your AI sounds exactly how you want.
High Concurrency Levels
Handle up to 500 calls at once. No busy signals, no wait times, instant scaling.
Multi-lingual Support
Speak to customers in their language. Supports 6+ languages with native pronunciation.
SIP Trunking and API First
Connect via SIP trunking or API. Works with any phone system or build custom workflows.
Plug into any phone system on Earth.
Cloud PBX, contact-center suite, SIP trunk, legacy PSTN — if it makes a phone call, Open answers on it.
Click any provider for an integration guide.
Twilio
RingCentral
Zoom Phone
Vonage
Aircall
Dialpad
Five9
Genesys
Cisco Webex
Microsoft Teams
Amazon Connect
Google Voice
NICE CXone
Talkdesk
Avaya
Mitel
8x8
Nextiva
GoTo Connect
Freshcaller
JustCall
CloudTalk
Ooma
Grasshopper
Bandwidth
Plivo
Sinch
Telnyx
SignalWire
Skype
3CX
Asterisk
FreePBX
BT Business
Verizon Business
AT&T Business
Orange BusinessUse cases
What AI voice can do for you
AI ReceptionistPicks up every call on the first ring, books, qualifies, and transfers warmly.AI Call CenterInbound and outbound at scale, behind your existing CCaaS or PBX.AI Answering Service24/7 coverage that resolves the call instead of just taking a message.AI Voice AgentA production agent on your existing carrier and CRM in days, not quarters.After-Hours AnsweringAI absorbs the routine; pages a human only when the call is genuinely urgent.AI Appointment BookingBooks in your live calendar before hangup. Reschedules and cancellations included.AI Outbound CallingCallbacks, payment reminders, win-back, surveys — at dialer scale, with real conversations.AI Cold CallerVolume + quality. Discovery, qualification, and live calendar booking.Replace IVR with AICaller talks; AI listens, classifies, resolves, or routes. No menu maze.AI VoicemailVoicemails become tasks: transcribed, classified, and routed automatically.Voice AI PlatformSIP, tools, observability, compliance — six layers, one product.AI Phone CallsReal PSTN calls with sub-200ms reply latency in 100+ languages.
By region
Voice AI for your country
AI Receptionist (UK)BT, Gamma, Vonage UK. UK-GDPR aligned. OFCOM-compliant outbound.AI Receptionist (Australia)Telstra, Optus, MyNetFone. Privacy Act 1988. ACMA-aware.AI Receptionist (Canada)Bell, Telus, Rogers. Bilingual EN + québécois. PIPEDA + Law 25.AI Receptionist (India)Knowlarity, Exotel, MyOperator. 10+ Indian languages. DPDP Act 2023.AI Answering Service (UK)Resolves calls instead of taking messages. UK-GDPR, OFCOM, 24/7.AI Answering Service (Australia)Australian English, AEST/AWST timezone routing, Privacy Act aligned.AI Voice Agent (UK)Production-ready voice AI for UK businesses. Days to live.AI Voice Agent (Australia)Production-ready voice AI for Australian businesses. AU English.AI Voice Agent (Canada)Bilingual production voice AI. Sydney AWS Canadian region available.
By industry
Voice AI tuned for your industry
Real EstateInbound inquiries, showing bookings, lead follow-up — through your CRM.HealthcareHIPAA-ready receptionist for clinics, group practices, and health systems.Medical ClinicsBooks in Athena, Epic, Cerner, eCW. After-hours triage to on-call.DentalOpenDental and Dentrix native. Recall, reactivation, and emergency triage.RestaurantsReservations, takeout, FAQ — without tying up the host stand.Law FirmsStandardized intake, conflict checks, consultation booking — UPL-safe.Law Firms (Detailed)Native Clio, MyCase, Smokeball, Filevine. Conflict checks live during call.HVACServiceTitan, Housecall Pro, Jobber. Rate-card pricing. Emergency triage.PlumbersTrip charge quoted live. Emergency triage. After-hours premium pricing.ContractorsEstimate booking, qualification, stale-quote follow-up automation.Home ServicesHVAC, plumbing, electrical, roofing, landscaping in one product.Small BusinessSame-day setup. Per-resolution pricing. Works with what you have.Salons & SpasMindbody, Boulevard, Vagaro. Day-of confirmation cuts no-shows 60%+.Auto DealershipsCDK, Reynolds, DealerSocket, Tekion. Sales + service in one product.Property ManagementTenant inquiries, maintenance, rent reminders — through your PMS.
By language
Voice AI in your language
KI-Telefonassistent (Deutsch)KI-Telefonassistent für deutsche Unternehmen. DSGVO-konform.KI-Sprachagent (Deutsch)Produktionsreifer Sprachagent für deutsche Telefonanlagen.KI im Kundenservice (Deutsch)Standardanfragen direkt im Gespräch lösen — DSGVO, EU-Region.AI voor klantenservice (Nederlands)AI die uw klantenservice draagt — AVG-conform, EU-datahosting.AI-telefoonassistent (Nederlands)AI-receptie voor Nederlandse en Belgische bedrijven.Agent vocal IA (Français)Agent vocal IA pour entreprises françaises. RGPD, hébergement UE.Standardiste IA (Français)Standardiste IA qui décroche en moins de 2 secondes — RGPD.Agente de voz IA (Español)Agente de voz IA para empresas españolas. RGPD, hosting UE.Recepcionista IA (Español)Recepcionista IA que descuelga al primer tono — RGPD.Centralino virtuale IA (Italiano)Centralino virtuale IA per aziende italiane. GDPR, hosting UE.Atendimento ao cliente com IA (Português)Atendimento por IA para empresas brasileiras — LGPD, São Paulo.
Compared to
Voice AI alternatives
vs. VapiPlatform vs. product — when each fits.vs. Bland AIDeveloper infrastructure vs. business product.vs. Retell AIBuild the agent vs. configure one.vs. SynthflowNo-code SMB tier vs. production-grade product.vs. PolyAISelf-serve product vs. managed service build.vs. LiveKitWebRTC infrastructure vs. productized voice agent.vs. ElevenLabsBest TTS + developer kit vs. finished agent product.vs. Air AIOutbound demo focus vs. production deployment.vs. Smith.aiHuman + AI hybrid vs. fully-AI agent.vs. TwilioTelephony layer vs. agent runtime on top.
Frequently asked questions
Find answers to common questions about Voice AI.
Success Stories
Impacting the lives of millions of users.
70%+ automation rates. All-time high satisfaction scores. 24/7 coverage in multiple languages.
“Open lets us deliver instant, multilingual answers to millions of customers, 24/7 — at a consistency our team could never reach alone.”
MoneyGram
Read story- automation
- 70%
- customers
- 55M
- CSAT
- ATH
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