Horizon Hosted phone system

A complete business communications service


Horizon Hosted phone system

Horizon is a complete hosted communications service that provides businesses with an extensive range of fixed and mobile telephony capabilities via an easy-to-use web portal. Horizon takes the burden away from your IT team. Local administrators manage and configure the system according to your organisation’s needs. Employees can then manage their calls easily and effectively, thereby maximising individual productivity.

Gamma Horizon offers a complete cloud communications system for your business, which easily gives control of your fixed and mobile telephony.

The benefits of Hosted phone systems

Ideal for home and flexible working

Perfect for homeworkers or staff on the move that need to work productively whilst out of the office. Horizon makes flexible working a reality.

Get new features immediately

Horizon already has a host of great features and provides a business route towards true unified communications. You get new features, upgrades and optional integrations with third-party applications as soon as they are developed and released.

Save money, work smarter

Save money and improve interoperability between your mobiles and your fixed telephones with extremely competitive on-net rates over our business grade network.

One supplier makes your life easier

We provide everything from handsets to core network access, onsite installation, training and user guides, saving you time and hassle.

Multi-site deployment – only one system to buy

Connect multiple sites easily and cost-effectively with one system. Transfer calls to different locations seamlessly, integrate with your company CRM and corporate directory and implement call schedules in minutes.

Highly reliable and scalable with support wrap

Horizon offers your business a reliable phone system that can scale easily as you grow. We provide full support including training, number porting, provisioning and 24/7 UK-based assistance giving you complete peace of mind.

If you don’t already have a PBX in your organisation, or your current hardware is no longer meeting your business needs, then hosted telephony is ideal for you. Horizon is a fully-hosted phone system delivered over an IP connection and is suitable for any sized business. It is particularly effective if you have multiple sites working together and is also capable of serving hundreds of employees.

With only a minimal capital outlay, it’s a reliable and proven service with a jargon-free approach to telephony and cloud communications. By switching to Horizon you can immediately benefit from greater flexibility and a more cost-effective cloud phone service. Horizon can also help improve your organisation’s productivity and customer service delivery with its clever features to help manage calls and enhanced reporting capability.

Horizon is cloud-based business phone system, so there are no PBX maintenance costs to worry about. User and admin settings are also accessed via a web-based portal, making management of the service even easier.

Get to know Horizon

Request a demo of the UK’s No. 1 Hosted Business Phone System today

Want to know more? Contact us directly via the form below, or learn about working with one of our platinum partners

The winning formula

Horizon combines handsets from several manufacturers, an easy-to-use web interface, Gamma’s trademark network resilience and services, and the power of the world’s leading call controller platform from Broadsoft. Horizon is available as a fully managed service.

Premium handsets plus desktop and mobile clients

choose whether you want to use soft clients, or have premium handsets for your hosted phone system

Web portal

Gamma IP network and Broadsoft call controller platform

Gamma's hosted phone system, Horizon, works on the Broadsoft platform

Introduction to Horizon


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horizon - Am I able to record my calls?

Am I able to record my calls?

Listening to your customers can offer a valuable insight into your organisation: maximising customer service, helping with staff training, and ensuring peace of mind when it comes to due diligence.

Gamma’s intuitive and secure call recording solution is deeply integrated with Horizon’s cloud platform, giving direct control to you over both your telephony and your call recording solution.

  • One intuitive software service – recordings can be accessed, downloaded and noted on from one web login.
  • Record the speaker, not the number – Advanced Call Recording will record your users, whether they are speaking on a mobile, office phone, or soft client.
  • Order and use on a native cloud platform – you’ll have a scalable investment, with a clear, usage based payment structure.

What’s the call quality like?

Call quality, as with any communications system, is clearly dependent on the underlying access available. With our Ethernet and Broadband products delivering the service to your locations, you can be assured of great voice quality, underpinned by some of the most stringent SLAs in the business.

Is it expensive to install?

With only a minimal capital outlay required, Horizon is suitable for any size of business looking to improve its productivity and image.

Does it support advanced management reporting?

Do you know how many calls you’re receiving, how these are being handled and by whom? Horizon offers some key measurements through the interface’s reporting section but more in-depth call management reporting and wall board capabilities for real time views of a customer’s calls are becoming a growing requirement. So what additional benefits does the dedicated reporting tool bring?

  • There’s no server on site, enabling multi-site monitoring and business continuity in the event of an emergency
  • It provides real time stats for wall boards
  • It’s accessible from any internet-facing device
  • Abandoned call recovery ensures that if you do miss a call, you can see instantly if it has been returned
  • Quick and easy monitoring of key extension or call routes to ensure they are working efficiently
  • Cradle-to-grave reporting of calls with every divert leg and call detail segmented for identification
  • Customisable push reporting and alarms ensure business-critical metrics are always available
  • After-hours call tracking will highlight suspicious activity or unauthorised calls being made

Does it support wall board integration?

Horizon offers a number of key measurements through its reporting section but there is a growing requirement for more in-depth call management reporting and wall board integration to help organisations gain a real-time understanding of calls. Through our partnership with Akixi, the leading hosted call-management service provider, you can now get a data feed for your Horizon service, which will let you export the statistics you need to help manage your business.

  • See what needs to be done instantly to improve customer service
  • Monitor time to answer and manage calls more efficiently
  • Analyse internal call patterns
  • See how many calls are being abandoned with the ability to return them
  • Optimise resources by ensuring the right number of operators are in place at all times

How do I present my company more professionally?

Horizon is the perfect platform for organisations that require a professional and simple-to-use interface with the outside world. Schools, public sector organisations, major venue and event operators; each has its own challenges in terms of maintaining staffing levels, training and cost, with the result that often, it’s the first line of communications that suffers. Horizon is simple to set up and use and it lets you present a simple, flexible and, above all, totally professional image.

How do I rationalise my site?

A site survey is a useful exercise as it enables superfluous services and hardware to be identified, highlighted and considered during the decision-making process. As a cloud-based telephony platform, Horizon lets you dispense with a physical PBX and the associated cost of maintenance and it requires only the simple installation of on-site handsets. For larger, multi-sited customers the savings made will clearly be multiplied. Of course, as well as working seamlessly with Gamma’s SIP, Ethernet and Broadband products, Horizon can interface with legacy connections too, making it the totally flexible solution.

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What CRM’s can Horizon integrate with?

Horizon has a considerable number of integrations and a very useful TAPI driver as well, in fact we have so many that they need their own webpage, browse our integration content.

Hosted Phone System v onsite PBX

If you are using a PBX in your organisation, it could be time to consider moving to a hosted solution to realise all the benefits that IP cloud telephony offers.

By hosting your phone system in the cloud, users are able to access the system through a standard IP handset or a softphone – a screen-based virtual phone. Calls are made and received over a broadband connection to the Gamma network. From there they are routed to PSTN fixed and mobile devices.

And cloud is here to stay. 75% of UK SME businesses have adopted cloud services in one form or another (Cloud Information Forum (CIF) Survey 2015). Moving to the cloud means no up-front spend on hardware, software or maintenance and it’s great for businesses with multiple sites and remote/mobile workers.

A hosted phone system from Gamma means no costly PBX maintenance or upgrades. We are responsible for the hardware and software, including system upgrades ensuring you are always up to date.

As well as giving your organisation access to low-cost and free IP calling, a hosted system puts a huge range of smart call management features at your fingertips. Mobiles and other devices can also be integrated.

Perhaps most important is the degree of control a hosted system gives you. Your organisation’s entire communications, across multiple sites and countries, can be managed easily, right down to the individual user level, through a simple interface.

Have you seen our other products?

Horizon Call Centre

Horizon Call Centre is a cloud-based service with an extensive range of inbound call capabilities that can be managed from an easy-to-use web portal, and is suitable for any sized call centre.

Our family of high-speed data services connects businesses directly to our next generation network and the internet, providing a range of bandwidths with unrivalled network quality and reliability.


What is Horizon?


Is your phone system helping you fly?


Case study: Thrifty Car and Van Rental



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