Retell AI
Retell AI is a comprehensive voice artificial intelligence platform that enables businesses to create lifelike conversational agents for phone systems. The platform delivers natural-sounding voice interactions with minimal latency (600ms), smooth turn-taking, and back-channeling. Retell AI handles everything from agent creation to deployment and monitoring. The system supports multiple languages, integrates with existing telephony infrastructure via SIP trunking, and provides robust tools for knowledge base synchronization. It offers enterprise-grade reliability with 99.99% uptime and compliance with major standards including SOC 2, HIPAA, and GDPR.
Quick Info
Screenshots
Key Features
Appointment Booking
Schedule meetings through natural conversation with Cal.com integration. Automatically log appointments in your calendar systems.
Batch Calling
Send hundreds of outbound calls simultaneously without hitting concurrency limits. Track conversion rates for campaign performance.
Voice AI Creation
Build custom voice agents with natural conversational abilities. Easily customize agent behavior, knowledge, and voice characteristics.
Auto-Sync Knowledge Base
Keep AI agents updated automatically by syncing with your company documents or website content. No manual updates needed.
Call Transfer
Set up warm transfers with detailed handoff messages to prepare human agents. Support for multiple transfer scenarios.
Branded Caller ID
Display your brand name on outbound calls to build trust and reduce spam flagging.
Comprehensive Analytics
Monitor call success rates, latency, user sentiment, and other metrics through the dashboard. Identify and troubleshoot failed interactions.
IVR Navigation
Agents can press digits to navigate phone trees and IVR systems to reach the right destination.
Use Cases
Customer Support
Answer common questions, troubleshoot basic issues, and route complex problems to human agents with context.
Debt Collection
Make outbound collection calls at scale with consistent messaging and proper compliance handling.
Lead Qualification
Screen and qualify potential customers before routing them to sales teams. Save time by handling basic qualification questions.
Virtual Receptionist
Handle incoming calls, route callers to appropriate departments, and schedule appointments without human intervention.
Customer Surveys
Conduct voice-based surveys with natural conversation flow for higher completion rates and better data quality.
Appointment Setting
Book meetings and send calendar invitations through natural conversation without human scheduling staff.
Pricing
Pay-as-you-go from $0.07/minute. Enterprise plans available. 60-minute ($10) free trial for all accounts.
Setup Steps
- Create an account on the Retell dashboard
- Build a voice agent using the intuitive agent builder
- Connect your knowledge base for agent training
- Test your agent with the built-in LLM testing features
- Deploy your agent to phone systems via SIP or direct integration
- Monitor performance through the analytics dashboard