AppsPhone & Texting

Autessa Phone & Texting vs Retell AI

Autessa Phone & Texting as a Retell AI alternative

Autessa Phone & Texting is a business phone system for people and AI voice agents, built into the Autessa platform. Retell AI is a developer platform for voice agents, with a flow builder, simulation testing and a full API. Autessa pairs voice agents with a complete phone system for your people: a browser phone, a shared text inbox, call flows and carrier registration on the same numbers.

Side by side

Autessa Phone & Texting vs Retell AI

CapabilityAutessa Phone & TextingRetell AI
Browser phone for the people on your teamIncludedNot listed
Shared text inbox for your teamIncludedNot listed
Call flows with hours, IVR menus and ring groupsIncludedAgent flow builder
A2P 10DLC registration in the appIncludedNot listed
Texting consent registry and hosted opt-in siteIncludedNot listed
Card digits on the keypad, out of the AI's hearingIncludedVaries by plan
Call Redaction of card numbers, SSNs and bank detailsIncludedPII removal add-on
Every call and text as a table you can query and trigger onIncludedVia API and webhooks
Full headless access (Autessa MCP)✓Own MCP server for agents, calls and numbers
100% customizable, code and all (Autobot)✓Custom functions and full API, by developers
AI voice agents that answer and place calls✓✓
Warm transfers to a person✓✓
Use numbers from your own Twilio account✓✓
Same platform as your CRM, help desk and HROne platformVia integration

Based on publicly available information as of November 2026. Product names are trademarks of their owners.

Where Autessa wins

Why teams pick Autessa over Retell AI

A full phone system, not only agents

Your team gets a browser phone, Keypad and shared text inbox on the same numbers your AI agents use.

Carrier rules handled for you

A2P 10DLC registration, a consent registry and opt-out handling apply to every agent automatically.

Agents with your data

Agents read and write your own tables and call your tools, so they know the customer on the line.

Developer power, plain language

Retell is built for developers. In Autessa, Autobot makes the change from a plain-language request, and developers can still edit the code.

MCP for the whole line

Retell’s MCP manages agents and calls. The Autessa MCP adds your people’s calls, texts, consent records and call flows.

Switching

Move your line to Autessa

  1. STEP 1

    Get or bring a number

    Take a US number, link the numbers in your Twilio account, or move only texting of your existing number with hosted texting.

  2. STEP 2

    Set up who answers

    Build a call flow with hours, menus and ring groups, and put an AI agent on any step. Do the same for texts.

  3. STEP 3

    Register and go live

    Run A2P 10DLC registration in the app, invite your team to the browser phone, and start calling and texting.

Go deeper

Explore the features behind this comparison

For AI agentsAI call answering →Connect an AI voice agent to any number and it answers every call, knows the caller's number, greets them your way, and works inside your call flow next to the people on your team.For peopleBrowser phone →The Autessa browser phone rings in any browser where you have Autessa open, so you can answer the business line, mute, use the keypad and call teammates without a desk phone.People + AICall flow builder →The call flow builder decides what each number does with a call: greet the caller, then send them to an AI agent, ring people, offer a keypad menu, take a voicemail or hang up.For peopleShared text inbox →Every text to every business number lands in one shared inbox, where anyone on your team can reply as the business and see whether a person, an AI agent or an automation sent each message.For peopleA2P 10DLC registration →Autessa walks you through A2P 10DLC carrier registration, checks your answers for common rejection reasons before you submit, and shows the carriers' own feedback if anything needs fixing.For AI agentsLive-call tools and transfers →Voice agents get tools that act on the live call: transfer to a person, take a voicemail, press keys through another company's menu, look up the caller and hang up politely.

FAQ

Questions about Autessa and Retell AI

Is Autessa Phone & Texting an alternative to Retell AI?

Yes. Autessa Phone & Texting covers business numbers, a browser phone, call flows with IVR, shared texting and AI voice agents on the same numbers. It works out of the box, and you tailor call flows, agents, texting rules and automations to how your team works in Autessa.

Can people and AI agents share the same numbers in Autessa?

Yes. Every number works for the browser phone and shared inbox and for AI voice agents, and a call flow decides which handles a call.

Is Autessa Phone & Texting included with Autessa?

Yes. It is included with every Autessa account, for unlimited users, with no per-seat fees. You pay only for AI tasks and the calls and texts you make.

Can I customize my phone system?

Yes. Retell gives developers custom functions and a full API. Autobot makes changes from a plain-language request, and your developers can still edit the code directly.

Can Claude or another AI agent work with my calls and texts?

Yes. Retell has its own MCP server for managing agents, calls and numbers. The Autessa MCP adds your people’s calls, texts, call flows and consent records.

Can I keep my Twilio account?

Yes. You can link your own Twilio account and use its numbers in Autessa for calls, texts and agents.

See it on your own number.

Start with a business number, or book a demo to compare side by side with your current setup.

Phone & Texting is built into every Autessa account. Call and text as yourself, or let an AI agent take the line.

100% customizable, code and all

Make Autessa Phone & Texting fully your own.

Use it out of the box, then change anything. Ask Autobot, Autessa’s AI builder, for a new field, screen, report, workflow or agent and it builds it into your copy of the app. Or open the code and edit it yourself. Nothing is locked: the app, its data and its code are yours.

Start free and make it yours