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3CX Certified Partner

The enterprise phone system, without the enterprise bill.

3CX is a complete business communications platform — calls, video, live chat, WhatsApp and SMS in one app. MasterClass designs, deploys, and manages it for you, so your team gets enterprise telephony with local support and no per-user pricing.

Trusted worldwide · founded 2005
350,000+ installations190+ countries20 years of VoIP
The 3CX app on iPhone and Android
Why 3CX

Big-business communications, sized for you

Four reasons businesses move to 3CX — and why we recommend it to clients who want capability without lock-in.

Deployed in hours

Pre-configured SIP trunks and templates mean we have you live in days — often hours — not weeks.

You stay in control

3CX is simple enough that your team can manage it — or hand it to us. Your call, either way.

No per-user pricing

A flat annual fee based on simultaneous calls — not a monthly charge that grows with every hire.

Hosted or self-hosted

Run it hosted by 3CX, on your own server, or in your cloud — Azure, Google, AWS or DigitalOcean.

One platform

Calls are just the beginning

3CX brings every channel your customers use into a single interface — on desktop, web, and mobile.

Mobile & web appsiOS, Android, Windows and browser — work from anywhere.
Video conferencingBuilt-in meetings with no time limits or extra license.
Live chat & WhatsAppWebsite chat, WhatsApp, Facebook and SMS in one queue.
Microsoft 365 & GoogleDirectory sync, presence, and click-to-call integration.
CRM integrationScreen-pops and call logging with popular CRMs.
Call center featuresQueues, IVR, reporting, wallboards and recording.
Bring your own trunkKeep your numbers and choose your own SIP provider.
Security built inEncrypted calls, hardened OS and automatic updates.
Supported deskphonesPlug-and-play provisioning for leading IP phone brands.
See it in action

One app for the whole team

Desktop, web, and mobile — the same clean experience everywhere your people work.

3CX Web Client team view
Web client & presenceSee your whole team and reach anyone in a click.
3CX video conferencing
Built-in video meetingsNo downloads or time limits for your guests.
3CX live chat
Live chat, WhatsApp & SMSEvery customer channel in one queue.
3CX switchboard
Switchboard & call controlManage calls and queues at a glance.
New · 3CX AI

Put AI to work on every call

The latest 3CX adds an AI layer across your phone system — answering, summarizing, and surfacing insight automatically so your team spends less time on busywork.

AI Receptionist

Greets and routes callers naturally, around the clock — no menu trees.

AI Agents

Handle routine questions and qualify callers before they reach a person.

AI Transcription

Calls and voicemails transcribed to searchable text automatically.

AI Analytics

Sentiment and trends across conversations to coach and improve.

Stop paying per user, per month

Most cloud phone systems bill for every seat, every month — forever. 3CX is licensed on simultaneous calls with a flat annual fee, so adding staff doesn't add cost. We'll model your numbers and show you the difference.

One flat fee
Unlimited extensions · pay for concurrent calls, not headcount
Why buy 3CX from MasterClass

The platform is 3CX. The partner is us.

Anyone can sell you a license. As a certified 3CX partner, we plan, deploy, secure, and support the whole system — and we're the single number you call.

01

Designed for your business

We map your call flows, numbers, and integrations before anything goes live — so it fits how you actually work.

02

Deployed & secured

Hosted or on your infrastructure, hardened and monitored, with deskphones provisioned and tested.

03

Supported locally

One team for your phones, network, Microsoft 365 and security — no finger-pointing between vendors.

See 3CX running for your team

Book a live demo on your own scenarios, or get a tailored quote that compares 3CX to what you're paying now. No obligation.

VoIPTools — 3CX add-ons
Complementary add-ons

Extend your 3CX system with VoIPTools

As a VoIPTools reseller, we add powerful extensions to the 3CX systems we deploy — advanced call reporting, CRM and database integration, callbacks, and more — so your phone system does exactly what your business needs.

Explore add-ons