Retell AI
retellai.com- Category
- AI Agents
- Rank
- No. 560Tools index
- Pricing
- Freemium
- Type
- APP
- Use case
- Workflow Automation · Business & Commerce
- Interfaces
- Web · SDK · API
- Builder
- @retellai
- Date
About
Retell AI is a third-generation AI voice agent platform that lets businesses build, deploy, and manage human-sounding AI agents for automating phone calls at scale. It supports complex, multi-turn conversations powered by LLMs — far beyond traditional IVR systems — enabling use cases like lead qualification, customer service, appointment booking, and debt collection. It's designed for large support and sales teams who want to automate inbound and outbound calls without sacrificing call quality.
What it does
According to its page, Retell AI is a platform for building and deploying AI voice agents that handle phone calls, chat, and SMS. The site states it uses proprietary voice orchestration with about 600ms latency and turn-taking models for natural conversation.
Stated on the product site
- Communication channels supported
- The platform supports voice calls, chat, SMS, and API integration as separate channels
- Free trial offer
- New sign-ups receive an initial usage credit on the Retell dashboard
- Compliance certifications
- The site states the platform holds HIPAA, SOC2 Type II, GDPR and ISO 27001 compliance
- Telephony integration method
- The platform connects to existing phone numbers via SIP trunking
- On-premise deployment option
- The site lists an on-prem deployment option for running the platform within a customer's own infrastructure
Not stated on the site
- The page does not list specific pricing plans or ongoing costs beyond the initial free usage credit.
- The page does not specify which languages are supported for multilingual conversations.
- The page does not name which CRMs, calendars, or knowledge base systems are natively supported beyond general mentions of integrations.
Written from the product site at retellai.com.
What it can do
Conduct automated inbound and outbound phone calls
Phone number list and call script or LLM prompt configuration → Completed phone calls handled by an AI voice agent
Qualify sales leads via voice conversation
Inbound or outbound call with a prospect → Structured lead qualification data and call outcome summary
Book appointments through phone conversations
Caller request and available calendar data → Confirmed appointment scheduled on behalf of the business
Handle multi-turn customer service calls
Customer phone call with support questions → Resolved customer inquiry with conversational AI responses
Deploy and manage AI voice agents at scale
Agent configuration, LLM prompts, and telephony settings → Live AI agents capable of handling concurrent phone calls
Automate debt collection calls
Debtor contact list and collection script → Completed outbound collection calls with logged interaction results
Transcribe and log phone call conversations
Live or recorded AI-handled phone call → Text transcript and structured call summary
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