VoIP gives your team flexibility — make and receive business calls on any device, anywhere, with the same company number and call quality.
With fewer phone lines, reduced call charges and simple monthly billing, VoIP delivers premium performance at a fraction of the cost.
Enjoy advanced tools like call routing, voicemail to email, CRM integration, conferencing and mobile apps — all in one unified platform.
As the UK moves away from ISDN and PSTN lines, VoIP provides a scalable, cloud-based system that grows with your business.
Your phone system should adapt to the way you work — not the other way round.
Our VoIP (Voice over Internet Protocol) service delivers a modern communications platform that runs through your internet connection, giving you crystal-clear calls, video meetings and mobile extensions without the limitations of traditional lines.
Whether you’re in the office, at home or on the move, your team can stay connected through one unified system. We take care of the migration, configuration and support — making the switch to VoIP seamless, cost-effective and built for the future.
At 39D, we don’t just install technology; we design solutions that improve how your business communicates.
A VoIP phone system uses your internet connection to make and receive calls, replacing the need for traditional phone lines.
It works across desk phones, computers and mobile devices, giving you one consistent system for all your communication.
At 39D, we supply, install and support VoIP systems that are tailored to your business — handling everything from number porting and network configuration to user training and ongoing support.
Switching to VoIP means better flexibility, clearer calls and easier management — all from a single, reliable provider.
Answer
Yes — we’ll support number porting and ensure handset compatibility wherever possible, or recommend suitable replacements.
Yes — when properly set up with adequate internet connectivity and security controls, VoIP systems offer robust call quality and encrypted communication.
We’ll design your system with failover and backup options (e.g., mobile apps, alternative routes) to minimise downtime and keep you connected.
Lead-time depends on your current setup and line migrations, but with good preparation we often complete transitions smoothly with minimal disruption to your business.
Absolutely. With apps and softphones, your team can work from anywhere — office desk, home, or on the move — and still appear on the company phone system seamlessly.
