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Open-platform phone systems, made to fit your business

At CRE Group, we partner with 3CX, one of the world’s leading open-platform VoIP systems, to give your business ultimate flexibility, control, and cost-efficiency. Whether hosted in the cloud or on-premise, 3CX adapts to the way your business works — not the other way around.

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Why Choose 3CX Through CRE Group?

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Fully

Customisable

On-premise, cloud-hosted, or hybrid — the choice is yours.

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No Vendor Lock-In

Use any SIP trunk or IP phone — total hardware freedom.

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Feature-Rich Out of the Box

Voicemail, call queues, chat, video, and more — all

included.

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Perfect for Hybrid Teams

Use on Windows, macOS, iOS, Android, and in your

browser.

Built for Businesses That Want Control

3CX is ideal for businesses that want to own their communications environment. Whether you want to host the system on your own server or leave it to us in the cloud, you get the same powerful features — without costly add-ons.


With 3CX, you can bring your own SIP trunk, choose your preferred phones, and set up complex call routing, IVRs, call recording, reporting, and more — all from one central dashboard.

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Who Is It For?

  • Businesses wanting to host their own phone system or need advanced call control
  • Companies with in-house IT who want freedom and scalability
  • Budget-conscious teams looking to avoid per-user pricing
  • Remote/hybrid organisations who need secure, reliable VoIP apps
  • Anyone wanting maximum flexibility with zero compromise on features

Key Benefits

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Reduce telecom costs

by up to 80%

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Web conferencing

live chat, and SMS all built in

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No per-user pricing

choose the plan that fits your usage

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CRM and Microsoft 365

integrations to boost productivity

FAQs

  • Do I need my own server for 3CX?

    No — 3CX can be hosted by us in the cloud, or deployed on your own infrastructure. You

    decide.

  • Can I use my existing SIP trunk or phones?

    Yes — 3CX is vendor-agnostic, supporting most SIP trunks and VoIP phones. We’ll guide you through compatibility.

  • What makes 3CX different from other VoIP systems?

    It’s open-platform, flexible, and license-based — not locked into proprietary hardware or high user fees.

  • Does 3CX support hybrid and remote working?

    Absolutely. 3CX has softphones, browser-based calling, and native mobile apps for Android and iOS.

  • How does CRE help with setup and support?

    We handle everything from planning to deployment, plus training and long-term technical support.

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Partnering with CRE = Total Peace of Mind

  • When you choose CRE Communications as your 3CX partner, you’re choosing:
  • Hands-on support from a UK-based, green-conscious telecoms team
  • Consultation to tailor your 3CX deployment — cloud or on-premise
  • Complete configuration and onboarding
  • Secure migration from existing systems
  • Friendly, ongoing support with no hidden fees