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More and more companies are moving away from a traditional PBX, transitioning to a hosted solution able to leverage all the benefits that cloud-based telephony has to offer.

Horizon Cloud PBX is Gamma’s complete business phone system – a hosted communications service that provides businesses with extensive fixed and mobile telephony capabilities, accessed via an easy-to-use web portal that enables you to take exacting control of your telephony.

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Horizon phone system

Looking for the best business phone system for your business. You’ve come to the right place. Focus Horizon is a cloud-based, scalable and agile telecoms solution with an impressive repertoire of call management features and an easy-to-use web interface which puts you in complete control. It’s cost-effective too and perfect for businesses of every shape and size. In a nutshell, it ticks all the boxes.

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Horizon phone system

The Horizon phone system harnesses the power of future-proof VoIP technology (voice over internet protocol) to channel inbound and outbound calls over the internet. Designed to transform business, the Horizon phone system is cost effective, easy-to-set up and maintain, requires less outlay on hardware and enables you to manage calls from wherever you are based. Reliable, flexible and agile – Horizon VoIP will support your business as it grows. The Horizon phone system is a unified communications solution for your business with an extensive range of fixed and mobile telephony capabilities, a wealth of features and enhancements to help you optimise the way you work and an easy-to-use web based management portal. Call, connect, collaborate and take your business communications to the next level.

Features of Horizon VoIP phone system

Horizon hosted phone system

Think an industry-leading, all-round telecoms platform will involve a costly investment in equipment and complex installation process? Think again! Gamma Horizon VoIP, is a hosted phone system, meaning it’s cloud-based rather than housed in your office. No upfront equipment costs necessary. It’s perfect for businesses of any size, contact centres and customer support departments. The Horizon phone system provides unified communications platform with a wide range of features to enhance your telecommunications platform and steamline both internal and external communications. Horizon is quick and easy to integrate into your business and can be scaled to meet your requirements.

Horizon Cloud PBX

Horizon Cloud PBX is a complete business phone system – a hosted phone system service that provides businesses with extensive fixed and mobile telephony capabilities. All accessed via an easy-to-use web portal that puts you in full control of your telephony. The Horizon phone system has a host of smart call management features to help your business manage calls effectively, boasting features such as call parking, hold music and call transferring to name just a few. Horizon cloud PBX provides the complete telephony package to businesses of any sector or size, with a wide range of addition features you can pick and choose to tailor the system to your business.

Horizon enhancements

Looking for unified communications and the power to personalise your business telephony capabilities? A wealth of enhancements including Horizon Collaborate, Horizon for Microsoft Teams, Horizon Contact, Soft Client, Integrator and Akixi will take your business communications to the next level. Each of these Horizon VoIP phone system enhancements can be combined to create a tailored solution that meets your business requirements. Horizon VoIP makes all these features and more available on your desktop or mobile through the Horizon app.

Benefits of a Horizon hosted phone system


A Horizon VoIP phone system gives your business the freedom to remain connected and accessible, wherever your day takes you. Cloud-based, this hosted communications service provides extensive fixed and mobile telephony capabilities to facilitate flexible and remote working.

Call management features

Switch to a Horizon phone system and tap into a world of communication tools. The easy-to-control call features are endless; from call management abilities such as call handling, voicemail-to-email, collaborative call distribution and auto attendant through to live call boards, real-time analytics and call recording. You can configure the system to match the exact requirements of your business.

Audio excellence

The exceptional quality of service provided by the Horizon phone system delivers the same audio quality of a fixed line but via a cloud-based phone system that’s compatible with IP handsets.

Horizon phone system packages and pricing

All licenses include FREE handsets, FREE connection and call management.

* 3 months for free and advertised packages available for new Horizon VoIP phone system customers only.

* All prices based on five year contact term and a minimum of 10 users.



from £ 7.99 / per month
100 Inclusive Minutes
Online Portal



from £ 14.99 / per month
750 Inclusive Minutes
Online Portal



from £ 19.99 / per month
2000 Inclusive Minutes
Online Portal
CRM Intergration
Horizon Collaborate
Mobile and Desktop Applications
Customised On Hold Music
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Please select the package level you are interested in and the number of users required

Additional Information