Contact sales

Horizon Cloud Phone System

Horizon Cloud Phone System is the ultimate cloud-based communications solution designed to revolutionise the way your business connects. Say goodbye to outdated phone systems and embrace the power of seamless, efficient, and cost-effective communication.

Lady on a mobile phone

Trusted by over 60,000 UK companies to deliver their business phone system requirements.

A complete and customisable phone system which can integrate in to your wider tech ecosysem.

We own operate and manage our own reliable network with 99.999% uptime.

Award winning UK based support teams, offering 24/7 first line support.

Unlock the power of a cloud phone system built for seamless business communications.

Manage your entire communications infrastructure with an award winning cloud communications system built for business. Horizon is powerful out of the box, and can be customised to suit your business.

Enhance experiences

Seamlessly integrated communication & collaboration

Horizon with Webex introduces a new standard in unified communications, combining the trusted capabilities of Gamma’s Horizon cloud phone system with the advanced collaboration tools of Webex. This best-of-breed approach provides crystal-clear voice, video meetings, instant messaging and more all-in-one seamless platform.

AI-driven innovation at your fingertips

Empowering modern work environments

Connect anywhere, anytime



Enhance operations

Elevate your business agility

In today’s dynamic business landscape, agility is key. Horizon with Webex equips your business with the communication tools necessary to respond quickly to customer enquiries, adapt to changing circumstances and maintain a competitive edge. With Horizon with Webex you’re not limited to faster, more efficient communication within your organisation. You can also invite vendors or customers to collaborate with you using our integrated Webex meeting capabilities.

Work smarter, not harder

Built on our reliable, award-winning network

Tailored to your needs

Lady sat on ledge looking at mobile phone

Tailored solutions: Customise Horizon for business success

In today's fast-paced business environment, having a communication system that adapts to your unique needs is crucial for staying competitive. Horizon aligns perfectly with your business objectives and enhances productivity across your organization. Say goodbye to one-size-fits-all solutions and hello to tailored telephony designed specifically for your success.

Two people on a video call on a laptop
Smiling lady on a video call on a laptop

Customisable features

Compatible with over 200 of the top CRM packages helping users to be even more efficient and productive by providing quick access to contacts and the ability to dial directly from their CRM system
Efficiently manage your call routing and monitor multiple contacts or sites with a low cost-solution. Ensure every call is answered professionally and promptly, improving customer service and increasing business efficiency.
Deliver exceptional customer experience by using call recording to analyse call quality and provide staff with training.
Manage incoming calls effectively by quickly routing them to available users, presenting a professional image to your customers.

Build on Horizon and deliver more

Power your workforce with unified communications, Teams enablement and contact centre capabilities built upon Horizon

Horizon for Teams

Pair your existing Microsoft setup with Horizon to provide voice-enablement allowing you to make and receive calls internationally.

Popular Features
  • A business-grade cloud PBX for Microsoft users
  • Bring voice to Teams with ease
  • Feature rich alternative to Microsoft Calling Plans
  • Highly available, carrier-grade voice network

Horizon Contact

Simplify customer engagement with Gamma’s Horizon Contact solution. The Contact Centre built for your business.

Popular Features
  • Cloud based customer engagement platform
  • Contact centre built for small businesses
  • Omnichannel contact capabilities
  • Fully integrated CRM for contact management

Frequently Asked Questions About Horizon Cloud Phone System

Is Horizon a secure cloud phone system?

Is Horizon a reliable hosted phone system?

Do I still need physical phone lines with Horizon?

What Integrations are offered for Horizon cloud phone system?

Can I use my existing phones with Horizon?

What is hosted telephony?

What is a cloud phone system?

What is the difference between SIP and VoIP?

What happens if my internet goes down? Will I lose phone service?

What happens to my numbers when I switch to Horizon?

Watch
Read
Listen

Insight from Gamma, and leading figures from the evolving world of business communications

Podcast

PSTN Switch off - lessons from Germany

Case study

Learn how believe housing transformed their communications with Gamma

Feature

PSTN Podcast - what's the expert advice?