What is 3CX Phone System?

Preparing for the PSTN Switch-Off by December 2025

The 3CX Phone System is a modern, software-based VoIP Cloud Based phone system that allows businesses to make and receive calls over the internet.

Designed to replace traditional phone lines, 3CX Phone System offers a flexible, scalable, and cost-effective solution for UK businesses preparing for the PSTN switch-off in 2025.

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How Does 3CX Phone System Work?

The 3CX Phone System functions as an IP PBX, routing calls via the internet using SIP trunks.

3CX Phone System supports both on-premise and cloud-hosted deployments, and works across desktop apps, mobile devices, and 3CX supported handsets.

This makes it ideal for hybrid and remote working environments.

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What Phones Work with 3CX?

  • There is a wide range of 3CX supported IP phones, including
  • 3CX supported desk phones
  • 3CX supported router phones
  • 3CX supported WiFi phones
  • 3CX supported intercom devices

At Speedster IT, we specialize in Yealink devices. We recommend these devices for their security, efficiency, and reliability among the 3CX supported phones.

What Are the Key Features of 3CX?

  • Video conferencing Microsoft Teams integration
  • Live chat and WhatsApp integration
  • CRM integration
  • Call queues and auto-attendants
  • Call recording
  • Mobile apps for iOS and Android
  • 3CX phone SBC for secure remote connections
  • Supported headsets
  • Intercoms

These features are compatible with 3CX supported SIP trunks, 3CX supported gateways, and 3CX supported VoIP providers, ensuring seamless communication.

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Why Are UK Businesses Switching to 3CX?

With the PSTN and ISDN switch-off looming, businesses are turning to VoIP 3CX solutions to stay connected.

The 3CX phone service offers a future-proof, cost-effective alternative to legacy systems, with 3CX compatible phones and 3CX supported headsets enhancing the user experience.

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Is 3CX Suitable for Small Businesses?

Yes, 3CX phone support for small businesses is one of its strongest advantages. It’s scalable, easy to manage, and offers affordable 3CX phone support services.

Whether you’re a startup or an SME, 3CX supported solutions can grow with your business.

What If My 3CX Phone System Is Not Working?

If you’re experiencing 3CX phone system issues or your 3CX phone system is not working, you can rely on our 24/7 3CX helpdesk, 3CX help, or contact us via our 3CX tech support phone number 0204 511 9111.

If you already have a 3CX Phone System and are looking to switch 3CX Phone System support provider, we can tackle the most complex problems, with our 3CX phone system troubleshooting.

What Kind of Support Is Available for 3CX via Speedster IT?

Speedster IT offers:

  • Quick 3CX phone support
  • Reliable 3CX phone support solutions
  • Certified 3CX phone support
  • Remote 3CX phone support
  • Customized 3CX phone support
  • Professional 3CX phone support
  • Experienced 3CX phone support
  • 24/7 3CX phone support

We are recognised as one of the top 3CX phone support providers in the UK, with the best 3CX phone support services in London.

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How Can Speedster IT Help?

As a 3CX phone support company, we provide:

  • Installation and configuration of 3CX supported phones
  • Integration with 3CX supported SIP trunks
  • Troubleshooting for 3CX phone system problems
  • Advice on 3CX recommended phones like Yealink
  • Support for 3CX support handsets and 3CX supported router phones

We also assist with 3CX phone system for Mac, 3CX phone system support for windows, you can also buy 3CX phone numbers via our services, and more.

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Security and Third-Party App Integration with 3CX

The 3CX Phone System is built with robust security features to protect your business communications. Including end-to-end encryptionautomatic blacklistingglobal IP blocking, and secure SIP protocols. Ensuring your calls and data remain private and protected.

Additionally, 3CX supports seamless third-party app integration, allowing businesses to connect with popular platforms such as Microsoft TeamsCRM systems (like Salesforce and HubSpot), and productivity tools.

At Speedster IT, we specialise in configuring and securing these integrations, ensuring your 3CX setup is not only functional but also compliant with industry standards.

Whether you’re looking to enhance collaboration or streamline customer interactions, our team provides expert support 3CX phone system support and 24/7 3CX Support Helpdesk to help you get the most out of your 3CX ecosystem.