Retellai
Retell AI is a production-ready AI voice agent platform for automating phone calls and building AI-powered call centers that sound human, execute tasks, and scale across inbound and outbound workflows.
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Quick Overview
Best for: Voice & Speech
What it does
Voice & Speech software for decision-makers comparing workflow fit and alternatives.
Best fit
Voice & Speech
Pricing snapshot
Pricing available on request
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Retellai
Retell AI is an AI voice agent platform designed to automate telephone conversations for modern contact centers. It enables teams to build, test, deploy, and manage AI phone agents that answer inbound calls, place outbound calls, qualify leads, book appointments, check order status, navigate IVRs, perform DTMF/keypad actions, and transfer to humans when needed. The platform targets enterprises and mid-market organizations across industries such as healthcare, financial services, insurance, logistics, retail, travel, and debt collection.
Retell emphasizes production readiness: a visual no-code studio for designing call flows, tools for testing and regression testing against production calls, the ability to deploy across channels (voice, web chat, SMS), and developer APIs/SDKs for deeper integrations. It also highlights enterprise security, compliance (HIPAA, SOC2 Type II, GDPR, ISO 27001), and options for on-prem deployments and professional implementation services.
Retellai helps you build, deploy, and monitor humanlike AI voice agents for inbound and outbound phone automation at scale. Retellai is a AI Tool featured on Dang.ai. Learn more about Retellai's AI tool.
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Claim this listing for $29Key Features
No-code Studio & Visual Call Flow Builder
Design complex call flows on a drag-and-drop canvas with functions, integrations, call transfers, DTMF, SMS, and custom logic.
Testing & Regression
Manually test changes, simulate thousands of scenarios, and convert real production calls into regression tests to catch failures before deployment.
Fast, Low-latency Voice Engine
Proprietary voice AI orchestration with industry-leading responsiveness (~600ms latency) for smooth, human-quality phone conversations.
Ultra-realistic Voices & Turn-taking
Voices trained on real performance data and a turn-taking model that knows when to stop and listen for natural conversation flow.
Deploy Anywhere (Inbound, Outbound, Web, SMS)
Deploy agents for incoming calls, outbound campaigns, web widgets, or SMS without additional tooling.
Outbound Campaigns & Built-in Dialer
Upload audiences, schedule campaigns, control pacing and retries, handle voicemail, and run outbound campaigns at scale.
IVR Navigation & Keypad Handling
Detect IVRs, understand menu options, press digits, and enter extensions to navigate complex phone systems during live calls.
Agentic Human Handoffs & Live Monitor
Agents brief human agents, answer follow-ups, and allow supervisors to listen live and take over calls instantly.
Quality Assurance & Analytics
QA up to 100% of AI calls, build custom analytics from post-call metrics, and compare A/B test results to measure agent performance.
Integrations, APIs & SDKs
Comprehensive APIs and SDKs and native connectors to telephony, CCaaS, CRM, knowledge bases, and calendars for bi-directional context and outcomes.
Enterprise Security & Compliance
Compliance with HIPAA, SOC2 Type II, GDPR, ISO 27001; SSO, personal info redaction, configurable role-based access, and support for on-prem deployments and data residency.
Scale & Reliability
Battle-tested infrastructure built to handle millions of calls and enterprise implementation services for secure deployment.
Pricing
Sign up for a free account and receive $10 of free usage on the Retell dashboard.
Use Cases
AI Receptionist
Answer inbound calls, route to the right team, collect caller intent, and escalate to humans with context.
Appointment Setter
Check availability, book appointments, and update calendars automatically during calls.
Lead Qualification
Qualify leads on the phone, gather required information, and create CRM outcomes or route hot leads to sales.
Customer Service & Answering Service
Resolve routine requests (order status, FAQs) end-to-end and write outcomes back to CRMs to reduce manual work.
Debt Collection
Run compliant outbound calls for collections, capture outcomes, and handle follow-ups programmatically.
AI Dispatch & Auto Dialer
Handle dispatch workflows and high-volume outbound campaigns with pacing, retries, and voicemail handling.
AI IVR
Replace rigid menu trees with natural-language interactions that understand caller intent and act accordingly.
Integrations
Twilio
Telephony integration for voice call routing and SMS via major telephony providers.
Vonage
Telephony integration to connect existing phone systems and SIP infrastructure.
GoHighLevel
Connector for marketing and CRM workflows.
n8n
Workflow automation integration to orchestrate data and actions across systems.
HubSpot
CRM integration for reading customer context and writing call outcomes back to records.
SIP Trunking / Telephony
Support for connecting existing phone numbers and infrastructure via SIP trunking.
Benefits
Limitations
Frequently Asked Questions
What is an AI voice agent?
How do Retell AI voice agents work?
How do I create an AI voice agent with Retell AI?
Can I connect an agent to my existing phone number?
Can AI replace call center agents?
What can a Retell AI voice agent do on a call?
What are the main benefits of using an AI call center?
Does Retell AI offer multilingual support?
How does Retell AI connect to my existing tools?
How is an AI phone agent different from traditional IVR?
Getting Started
- 1 Sign up for a free account on the Retell dashboard (new accounts receive $10 of free usage).
- 2 Use the no-code studio to customize and configure an AI voice agent for your use case.
- 3 Integrate with your telephony or connect existing phone numbers (supports SIP trunking) and connect CRMs/calendars/knowledge bases as needed.
- 4 Test agents with simulations and regression tests, then deploy for inbound, outbound, web, or SMS channels.
Support
Documentation
Developer documentation and product resources available from the site's Developers and Documentation sections.
Contact Sales
Contact Sales option on the website for pricing, enterprise engagement, and demos.
Support email available: [email protected]
Live Demo / Try For Free
Interactive live demo and a free account trial with $10 of free usage available from the site.
Status & Changelog
Public status and changelog resources are listed in the site's Resources menu for operational transparency.
API
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