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  • Enterprise Plan
    • Introduction
    Get Started
    • Build your first phone agent in 5 minutes
    • SDKs
    Build
    • Setup conversation flow agent
    • Setup single / multi prompt agent
    • Create chat agent
    • Set language for your agent
    • Understand user speech better
    • Generate better responses from LLM
    • Customize the synthesized speech
    • Integrate telephony features
    • Provide context to the agent
    Test
    • Testing Overview
    • LLM Playground
    • LLM Simulation Testing
    • Audio Testing
    Deploy
    • Purchase phone number
    • Connect to custom telephony providers via SIP
    • Make & receive phone calls
    • Create Chat Completion
    • Retell Chat Widget
    • Enable SMS capabilities
    • Setup versioning for agents
    • Batch Calls
    • Increase call pickup rate
    • Connect to web call
    • Understand concurrency & limits
    Monitor
    • Monitor calls via dashboard
    • Get analytics insight
    • Register & handle webhooks
    • Post Call Analysis
    Reliability & Debugging
    • Reliability Overview
    • Latency
    • Fix agent behaviors
    • Debug phone call issues
    Accounts and Workspace
    • Workspace
    • Account
    • Billing
    • Keys
    • Privacy
    Advanced Topics
    • Custom LLM
    • Audio Basics
    Network Ecosystem
    • Partner Program
    • Affiliate Program
    On this page
    • πŸ› οΈ Build
    • πŸ§ͺ Test
    • πŸš€ Deploy
    • πŸ” Monitor

    Introduction

    πŸ“ž Build, test, deploy, and monitor AI phone agents.

    Retell is a comprehensive platform for building, testing, deploying, and monitoring reliable AI phone agents.

    Here’s what Retell offers:

    How Retell Works

    Sophisticated voice agent platform for phone call operations

    Quickstart

    Create your first phone agent in 5 minutes

    ​
    πŸ› οΈ Build

    Setup Conversation Flow Agent

    Create agent with fine-grained control for structured conversations.

    Setup Single / Multi Prompt Agent

    Create agent for less structured conversations.

    ​
    πŸ§ͺ Test

    Playground

    Easily test and refine your agents

    Simulation Testing

    Easily test and refine your agents

    ​
    πŸš€ Deploy

    Phone Calls

    Make and receive phone calls with our or your own phone number

    Custom Telephony

    Integration with your custom telephony provider via SIP

    ​
    πŸ” Monitor

    Webhook

    Setup webhook to receive real-time events for your calls

    Call Analysis

    Extract insights from your calls

    Assistant
    Responses are generated using AI and may contain mistakes.

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