In a world of remote teams, hybrid working and rising customer expectations, your business communications need to do more that just make calls. That’s where VoIP (Voice over Internet Protocol) comes in.
What is VoIP and why does it matter?
VoIP lets you make calls over the internet rather than traditional phone lines. This means lower costs, better flexibility, and smarter features that help your team work from anywhere. As the UK’s landline network is switched off, VoIP isn’t just a “nice to have” it’s essential for keeping your business connected and future‑proof. Below, we’ve rounded up the top 3 VoIP solutions, based on reliability, flexibility, and real‑world business needs.
Microsoft Teams Voice
(Best for Microsoft 365 Integration & Hybrid Teams)
Why we picked it
If your business already uses Microsoft 365, Teams Voice is a natural fit. It extends your Teams app into a full phone system with enterprise‑grade features, all managed in one familiar platform.
Who is it for?
Hybrid teams Businesses already using Microsoft 365 Those looking to simplify tools (calls, chat, video).
Top 5 specs
Full PBX functionality Smart call routing & reporting Fully integrated with Outlook, SharePoint, and OneDrive Secure, scalable, and user-friendly Auto attendants and call queues built in.
Pros: Simple if you’re already on Microsoft 365, cost‑effective, easy for teams to adopt.
Cons: Less suited to businesses outside the Microsoft ecosystem.
Fusion’s Take: Our top recommendation for businesses that want flexibility without complexity.
Webex
(Best for Collaboration & Video‑First Teams)
Why we picked it
Webex is more than just a calling tool. It’s built for businesses that rely heavily on meetings and collaboration, with robust voice, video, and messaging in one secure platform.
Who is it for?
eams that prioritise video meetings Businesses seeking strong collaboration features Enterprises wanting an all‑in‑one solution.
Top 5 specs
Enterprise‑grade calling AI‑powered tools (noise cancellation, live transcription) High‑quality video and screen sharing End‑to‑end security and compliance Wide integrations with Microsoft 365, Google Workspace, Salesforce and more.
Pros: Excellent for collaboration, strong security, global reach.
Cons: Can feel more complex to set up and manage than simpler VOIP systems.
Fusion’s Take: A great fit for businesses that value collaboration and video as much as calling.
Gamma Horizon
(Best for UK‑Based SMEs)
Why we picked it
Gamma Horizon is a trusted UK‑based VoIP solution. It’s straightforward, reliable, and comes with local support, making it perfect for SMEs who want something that “just works.”
Who is it for?
UK‑based SMEs Those needing reliable, compliant services Businesses looking for simpler deployments.
Top 5 specs
UK‑based support Straightforward management via web portal Unified with mobile & Teams options Scalable, cloud‑based setup Future‑proofed for the ‘big switch‑off’.
Pros: Easy to use, UK support, flexible pricing.
Cons: Less feature‑rich than global enterprise platforms like Webex.
Fusion’s Take: An ideal choice for SMEs looking for simplicity, reliability, and clear support.
Which One Is Right for You?
The right VoIP system depends on your business size, infrastructure, and goals. At Fusion, we don’t just sell solutions, we help you choose the right one.
