How is Retell AI priced?

Per-minute usage pricing on top of the underlying LLM and text-to-speech/speech-to-text model costs selected for the agent.

Does Retell AI replace a CCaaS platform?

No — it builds and hosts the voice agent; enterprise routing, compliance recording and WFM still come from a contact center platform if one is required.

How long does a Retell AI voice agent take to launch?

Four to eight weeks for a single well-scoped use case, given its API-first design and lighter integration surface than full CCaaS platforms.

How long does a first Retell AI deployment take?

A scoped first release on Retell AI typically reaches production in 6 to 12 weeks: two to three weeks of discovery and design, a pilot on one live flow or use case, then a governed rollout. Timelines depend on how many systems of record must be integrated and how long your security and change reviews take, both of which we plan for in week one.

How is a Retell AI engagement scoped and priced?

We fix scope, milestones and price in a written proposal after a short discovery call — a fixed-fee assessment or design sprint, milestone-based implementation, and a monthly managed-run fee against an SLA once you are live. No open-ended time and materials.

Can we use your Retell AI specialists to extend our own team?

Yes. Alongside full delivery, Pronix places Retell AI architects, engineers and administrators as individual specialists, contract-to-hire or a managed pod with a named delivery lead — three vetted profiles within 48 hours. See the Talent Hub at pronix.ai/resources/talent-hub.

Does Retell replace our CCaaS?

No — Retell is the voice AI layer. We integrate it with your existing CCaaS for transfers, reporting and workforce management.

How do you handle compliance?

PII redaction, consent capture and audit trails are designed in, with sector-specific controls for healthcare, payment and financial regulation.

Can Retell take actions in our systems?

Yes — via tools calling our integration layer, agents can look up, update and complete transactions in your CRM and back-office.

How does Retell AI compare to a CCaaS-native bot builder or Dialogflow CX?

Retell AI is built specifically for low-latency, natural-turn-taking phone conversations and integrates alongside your existing CCaaS rather than replacing it. Dialogflow CX and Kore.ai suit enterprises that want one platform across voice and digital channels; Retell is the right fit when voice latency and conversational realism are the priority.

What does managed Retell AI support cover, and what are the SLA hours?

Managed operations cover prompt and voice tuning, evaluation pipeline maintenance, telephony and CRM integration monitoring, and incident response under a written SLA. Business-hours coverage in your time zone is standard, with follow-the-sun 24x7 coverage available for production call volume.

How are Retell AI talent rates structured, and where is delivery based?

Specialists are billed on a monthly rate per role, with a notice period defined in the statement of work rather than a fixed placement fee. Delivery is led from our Plainsboro, New Jersey headquarters, staffed from our Hyderabad global delivery center, with London and Dubai coverage for EMEA and Middle East clients.

How is a Retell AI engagement typically priced?

Engagements combine a fixed-fee agent design and pilot phase, milestone-based implementation pricing tied to go-live scope, and a monthly managed-run fee once you are live on real call volume — set out in a written proposal rather than open-ended hourly billing.

Retell AI Voice Agent Implementation Services

Book a strategy session See how we deliver

Retell AI implementation services spanning voice-agent design, telephony and system integration, evaluations, managed operations and specialized AI talent.

How it works

Retell AI Voice Agent Implementation — the architecture at a glance.

The moving parts of a production deployment, from channels and orchestration to systems of record.

Talk to an architect

Retell AIplatform signature

Retell AI

Realtime voice AI agents with sub-second latency.

Realtime LLM voice

Tool + API calling

Barge-in + turn-taking

Twilio / SIP native

Latency

<800ms

Deploy

2 wk

Containment

70%

How we deliver

Assess → Design → Pilot → Implement → Scale → Operate.

One delivery model that moves from strategy to production without handoffs — with managed operations built in.

See how we deliver

Implementation · Retell AI Voice Agent Implementationphased delivery

Assess

Call drivers, systems and success criteria.

wk 1

Design

Agent persona, tools and guardrails.

wk 3

Pilot

One intent live on real traffic.

wk 5

Implement

Full agent build, integration and eval.

wk 7

Scale

More intents, languages and volume.

wk 9

Operate

Managed Retell operations with tuning.

wk 11

40–70%

Automation on target intents

<800ms

Turn-taking latency

6–10 wk

First agent live

24x7

Managed operations

Certified partner platforms

The enterprise challenge

Call center leaders need voice AI that survives real call volume, not a demo.

A convincing Retell AI proof of concept doesn't tell you whether callers will get stuck, whether transactions will post correctly, or whether compliance will hold up under regulatory review. Enterprises need the demo turned into an operating model before it touches live phone lines.

Latency & caller experience at scale
Sub-second turn-taking, barge-in and prosody have to hold up under concurrent call volume, not just a single test call.
Integration depth into revenue and service systems
CRM, CCaaS, ticketing and payment systems must be wired for real transactions — a voice agent that can only talk, not act, doesn't move the P&L.
Evaluation & safety before go-live
Guardrails, PII redaction and per-intent evaluation are what let compliance and risk teams sign off on unattended calls.
Operating model after launch
Without tuning, monitoring and incident response, containment and CSAT decay within weeks of go-live.

Capabilities

End-to-end Retell AI voice agent services.

Experienced Retell AI engineers across agent design, function calling, telephony, CRM integration, evaluation and managed operations.

Agent design

Persona, prompt, tools, guardrails and escalation design for each use case.

Custom LLM & voice configuration

Custom LLM websocket integration, voice selection and prosody tuning matched to brand and caller demographics.

Function calling & knowledge grounding

Real-time function calls and knowledge-base retrieval so agents look up and act on live account, order and policy data mid-call.

Telephony & CCaaS integration

SIP trunking, Twilio and CCaaS integration with warm transfer and context handoff to human agents.

CRM & system integration

Tools for lookups, updates and transactions in Salesforce, D365, ServiceNow and custom systems.

Evaluation pipelines

Automated scoring for accuracy, safety, containment and CSAT on every call.

Compliance & PII

Redaction, consent capture and audit trails for regulated industries.

Concurrency & multi-language scaling

Concurrent call scaling and multi-language configuration for high-volume, multi-region call programs.

Managed operations

24x7 voice-AI ops with tuning, incident response and continuous improvement.

Specialized Retell AI talent

Need specialized Retell AI talent?

Deploy specialists who have delivered Retell AI implementations across enterprise environments — from design and build through steady-state operations.

Platform engineers
Solution architects
Integration specialists
Delivery leads

US + India pods Rapid staffing

Explore Talent Solutions Browse the Talent Hub →

How we deliver

A six-step model, from assessment to managed operations.

Every engagement follows the same rhythm — so business, IT and delivery stay aligned from opportunity to outcome.

Assess

Call drivers, systems and success criteria.

Design

Agent persona, tools and guardrails.

Pilot

One intent live on real traffic.

Implement

Full agent build, integration and eval.

Scale

More intents, languages and volume.

Operate

Managed Retell operations with tuning.

Where it lands

Use cases already in production with enterprise clients.

Outbound reminders & renewals

Compliant outbound calls with warm transfer to humans on exceptions.

Inbound self-service

Account, order, claims and appointment handling end-to-end.

Lead qualification

Voice qualification with CRM updates and calendar booking.

After-hours coverage

Full voice coverage outside business hours with escalation queues.

Delivered by

Pronix service lines

Talent Hub →

Industry patterns

Industries where this ships fastest

Healthcare Providers
Retail & Ecommerce
BPO
Insurance
Financial Services

See industry solutions →

Proof

Related programs from the same practice.

Published case studies from adjacent platforms in the same practice. Ask us for Retell AI-specific references under NDA.

See all case studies →

Runs on

Grounded on your data. Governed on day one.

Every platform we implement is only as good as the retrieval, connectors and controls behind it. These are the horizontal solutions we ship with every engagement.

Not sure where to start? Score your organization in 10 minutes.Take the AI Readiness Assessment →

Quick answer

Where does Retell AI fit for enterprise voice agent deployment?

Retell AI is a developer-first voice agent platform for building low-latency, telephony-integrated conversational agents, suited to teams that want programmatic control over turn-taking, interruption handling and LLM/voice model selection rather than a packaged CCaaS bot builder. It fits fast-moving voice AI products and CX teams piloting voice automation outside a legacy contact center. Pronix provides specialized Retell AI implementation and integration support.

Last reviewed 2026-08-05

Usage-based, per-minute pricing

Retell AI charges per call minute plus underlying LLM and voice model costs, so the business case is driven by call duration and containment rather than seats.

API-first telephony integration

Agents connect via SIP trunking or number provisioning and expose webhooks for CRM and system-of-record actions, requiring engineering effort comparable to a custom voice AI build.

Best fit outside legacy CCaaS estates

Retell AI suits greenfield voice AI products or automation layered ahead of an existing contact center rather than replacing enterprise routing, WFM or compliance recording.

Model the business case for Retell AI before you commit.

Free, ungated models sized for a Retell AI deployment — conservative, expected and aggressive scenarios, plus a board-ready PDF.

See all 10 ROI calculators and 4 assessments →

How Retell AI engagements are bought, supported and staffed.

Most enterprises start with a fixed-scope build, move it into managed support, and add specialized Retell AI people where their own team is short. All three can run together under one commercial agreement.

Fixed-scope build
A bounded Retell AI implementation, integration or migration priced to a defined scope, with architecture, build, testing, evaluation and a documented production release.
Fixed price · 8–16 weeks typical
Managed run and support
Monthly Retell AI platform operations: release management, integration monitoring, configuration changes, AI evaluation and incident response under one SLA.
Monthly service tier · 24×7 coverage available
Staff augmentation
Specialized Retell AI engineers, solution architects and delivery leads embedded in your team, reporting to your delivery manager.
Monthly per person · typically live in 2–4 weeks

Where Retell AI delivery happens

Programs are led from our Plainsboro, New Jersey headquarters and delivered with our Hyderabad global delivery center, plus London and Dubai for EMEA and Middle East clients.

Support coverage

Business-hours support in your time zone as standard, follow-the-sun 24×7 for production contact center and agentic workloads, with named escalation and monthly service reviews.

Get a Retell AI scope and price Hire specialized Retell AI talent

Submit a project brief

Scoping a Retell AI Voice Agent Implementation programme? Send us the brief.

Four fields. Tell us the outcome and timeline and a delivery lead for this area replies with indicative scope, team shape and commercial options.

platformRetell AI Voice Agent Implementation — routed to this team

Explore next

Where this fits in our practice

voice AI consultingVoice automation that resolves, not deflects.

Frequently asked

Questions buyers ask us first.

How long does a first Retell AI deployment take?: A scoped first release on Retell AI typically reaches production in 6 to 12 weeks: two to three weeks of discovery and design, a pilot on one live flow or use case, then a governed rollout. Timelines depend on how many systems of record must be integrated and how long your security and change reviews take, both of which we plan for in week one.
How is a Retell AI engagement scoped and priced?: We fix scope, milestones and price in a written proposal after a short discovery call — a fixed-fee assessment or design sprint, milestone-based implementation, and a monthly managed-run fee against an SLA once you are live. No open-ended time and materials.
Can we use your Retell AI specialists to extend our own team?: Yes. Alongside full delivery, Pronix places Retell AI architects, engineers and administrators as individual specialists, contract-to-hire or a managed pod with a named delivery lead — three vetted profiles within 48 hours. See the Talent Hub at pronix.ai/resources/talent-hub.
Does Retell replace our CCaaS?: No — Retell is the voice AI layer. We integrate it with your existing CCaaS for transfers, reporting and workforce management.
How do you handle compliance?: PII redaction, consent capture and audit trails are designed in, with sector-specific controls for healthcare, payment and financial regulation.
Can Retell take actions in our systems?: Yes — via tools calling our integration layer, agents can look up, update and complete transactions in your CRM and back-office.
How does Retell AI compare to a CCaaS-native bot builder or Dialogflow CX?: Retell AI is built specifically for low-latency, natural-turn-taking phone conversations and integrates alongside your existing CCaaS rather than replacing it. Dialogflow CX and Kore.ai suit enterprises that want one platform across voice and digital channels; Retell is the right fit when voice latency and conversational realism are the priority.
What does managed Retell AI support cover, and what are the SLA hours?: Managed operations cover prompt and voice tuning, evaluation pipeline maintenance, telephony and CRM integration monitoring, and incident response under a written SLA. Business-hours coverage in your time zone is standard, with follow-the-sun 24x7 coverage available for production call volume.
How are Retell AI talent rates structured, and where is delivery based?: Specialists are billed on a monthly rate per role, with a notice period defined in the statement of work rather than a fixed placement fee. Delivery is led from our Plainsboro, New Jersey headquarters, staffed from our Hyderabad global delivery center, with London and Dubai coverage for EMEA and Middle East clients.
How is a Retell AI engagement typically priced?: Engagements combine a fixed-fee agent design and pilot phase, milestone-based implementation pricing tied to go-live scope, and a monthly managed-run fee once you are live on real call volume — set out in a written proposal rather than open-ended hourly billing.

How we work

Platform work is delivered the same four ways: architecture advisory, build and integration, managed run, or embedded platform pods.

Strategy & advisory Implementation Managed services Talent pods All engagement models →

Who we are

pronix.ai is the AI & CX systems integrator practice of Pronix Inc.

One accountable delivery model: US-based architecture and program leadership with global engineering pods running 24×7 build, cutover and hypercare.

Founded: 2010 · Pronix Inc
Headquarters: 666 Plainsboro Rd, Suite 1361, Plainsboro, NJ 08536
Delivery centers: United States · India (Hyderabad) · EMEA
Engagement model: Fixed-scope implementation, managed run, staff augmentation and T&M Agile Teams.

Certifications

AWS Certified (Solutions Architect, Developer)
Amazon Connect specialty
Genesys Cloud CX certified
NICE CXone certified
Salesforce certified (Service Cloud, Agentforce)
Microsoft Azure AI certified

Security questionnaires, controls documentation and named client references are available under NDA. More about Pronix Inc →

Next step

Book a working session with our retell ai voice agent implementation team.

30 minutes. Your architecture, your data, your KPIs. You leave with a concrete pilot outline and a business case worth defending.

Schedule the session →Read the playbook

Retell AI voice agent implementation and managed run.