Retell Phone Numbersper month
$2.00/month
- No Charge for custom phone numbers
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Start here for the decision-making essentials: what Retell AI does, who it is for, how it is accessed, and the first-party sources behind this profile.
$2.00/month
Retell AI is an enterprise-grade, web-based voice AI platform for building, testing, deploying, and monitoring AI voice agents for phone call centers. It offers ~600ms latency, multilingual support, HIPAA/GDPR compliance, SOC 2 certification, and integrations with telephony, CRMs, and workflow tools.
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Short answers to the questions buyers and builders commonly ask about Retell AI. Each answer cites the shared ledger below, where every source is listed once.
~600ms latency with proprietary turn-taking model for real-time phone conversations · Enterprise-grade AI voice agent platform that handles phone calls and chat, including buil · Live Call Monitoring with real-time transcript, sentiment/latency/interruption scoring, li · Multi-select languages with automatic language detection on every call, no IVR menus
With ~600ms latency, conversations stay smooth and fluent. Built from real performance data and refined through human-guided training Proprietary turn-taking model that knows when to stop and when to listen.
Trusted by 1,000+ businesses including PWC, Twilio, capsule.com, Everise, and Clear
Trusted by 1,000+ businesses including PWC, Twilio, and capsule.com
AI Voice Agent Platform for Phone Call Centers · Lead follow-up, appointment scheduling, order confirmation, and CRM updates via AI phone c · Enterprise voice automation with intelligent phone agents · Inbound customer support for high-volume, real-time interactions
AI Voice Agent Platform for Phone Call Centers Build, test, deploy, and monitor production-ready AI voice agents at scale with ease
Retell Platform Voices plus Minimax, Fish Audio, Cartesia, and OpenAI TTS at $0.015/min; E · 4,000 free LLM tokens per agent before any surcharge applies
ElevenLabs TTS starts at $0.04/min, with pricing varying by model. We also have powerful alternatives with the introduction of Retell Platform Voices and the existing Minimax, Fish Audio, Cartesia, and OpenAI all at $0.015/min.
Hosted MCP server and REST API with Node.js and Python SDKs · API key-based integration with Make
Hosted MCP server and REST API with Node.js and Python SDKs
Connects to any telephony system via SIP trunking; native integrations with CRMs, calendar · n8n workflow automation integration with visual editor, no code required · Native two-way real-time CRM sync with Salesforce and HubSpot, with field mapping and a no · Certified Partner program for implementation
Retell supports integration with any telephony system through SIP trunking, making it easy to connect your existing phone number
This profile connects the jobs Retell AI is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.
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AI Voice Agent Platform for Phone Call Centers
Company: Retell AI, Inc · AI Voice Agent Platform for Phone Call Centers · Enterprise-grade voice AI platform for building, testing, deploying, and monitoring voice
Retell AI, Inc
AI Voice Agent Platform for Phone Call Centers
~600ms latency with proprietary turn-taking model for real-time phone conversations
Web-based (cloud)
BusinessApplication
SOC 2 Type I and Type II certified
HIPAA and GDPR compliant
Hosted MCP server and REST API with Node.js and Python SDKs
Model Context Protocol (MCP) connector for AI assistants
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
Documented product formats, platforms and official distribution destinations. Availability can vary by region and plan.
A concise history of software releases and material product changes. Events appear only when a dated source supports what changed.
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Released Conductor, a copilot that simulates scenarios and validates proposed voice-agent changes before deployment, alongside higher free-tier token limits.
View source [3]Retell released Conductor, a copilot for building and maintaining voice agents. It can simulate call scenarios and validate proposed changes against the platform before deployment; the same release increased free-tier token limits.
View source [3]Retell launched Conductor, a copilot for building and maintaining voice agents that simulates scenarios and validates proposed changes against the platform before deployment, alongside increased free-tier token limits.
View source [3]Released Built-in CRM with two-way real-time syncing to Salesforce and HubSpot, Live Call Monitoring for real-time visibility into active conversations, plus Custom Dashboards, Colloquial Model, and Expressive Mode.
View source [19]Launched Built-in CRM with real-time bidirectional Salesforce and HubSpot sync, plus live call monitoring, custom dashboards, a colloquial model, and expressive mode during Retell 2026 Launch Week.
View source [20]Facts, answers, structured details, milestones and primary resource links cite this shared ledger. Each external page appears once; release tags from the same GitHub project are grouped under one release history.
These tools share a workflow, capability or audience with Retell AI. They may complement it rather than replace it, and are not presented as integrations or endorsements.
Connects to any telephony system via SIP trunking; native integrations with CRMs, calendars, and telephony
Multilingual voice agent support
Enterprise-grade AI voice agent platform that handles phone calls and chat, including building, testing, deploying, and monitoring voice agents
Lead follow-up, appointment scheduling, order confirmation, and CRM updates via AI phone call workflows
n8n workflow automation integration with visual editor, no code required
Native two-way real-time CRM sync with Salesforce and HubSpot, with field mapping and a no-overwrite option
Live Call Monitoring with real-time transcript, sentiment/latency/interruption scoring, listen-in, whisper, take-over, and auto-actions like human transfer or webhook firing
Multi-select languages with automatic language detection on every call, no IVR menus
Colloquial Model rewrites agent phrasing in real time (~50ms) for human-like cadence without changing prompts or LLM
Expressive Mode with auto and manual emotion tags plus emotion-aware listening that reacts to caller pace, pauses, and pitch
Retell GPT App inside ChatGPT for building, deploying to a live phone number, testing scenarios, and monitoring production voice agents
Retell Platform Voices plus Minimax, Fish Audio, Cartesia, and OpenAI TTS at $0.015/min; ElevenLabs TTS starts at $0.04/min (price varies by model, updated March 23)
Trusted by 1,000+ businesses including PWC, Twilio, capsule.com, Everise, and Clear
AI Quality Assurance monitor for production-scale voice agents
Enterprise voice automation with intelligent phone agents
Redwood City
Replace outdated call centers with AI voice agents that sell, support, and retain customers at scale
Email support@retellai.com
Certified Partner program for implementation
Conductor — copilot for building and maintaining voice agents
On-demand scenario simulation without dialing a real number, with platform validation of changes
Automatic test-case generation from failed calls with human-approved fixes
4,000 free LLM tokens per agent before any surcharge applies
Chat agents alongside voice agents
Production voice operations monitored across thousands of calls per trend view
Real-time AI voice agents for phone support
High-concurrency inbound call handling
Inbound customer support for high-volume, real-time interactions
