What is Gamma Horizon?
Gamma Horizon is a UK-based, market-leading, unified communication solution developed over 20+ years of B2B experience. With a powerful range of fixed and mobile telephony capabilities, Horizon provides flexible tariffs through an easy-to-use web portal.
Horizon’s call controller platform supports millions of users worldwide through Gamma’s high-availability, carrier-class network, offering an advanced set of Unified Communications as a Service (UCaaS) features tailored to various industries and company sizes.
The Everywhere Office
Gamma Horizon addresses the need for team connectivity, whether in-office, remote, or mobile. A single, integrated system for voice, video, messaging, and collaboration tools, Horizon is delivered as a hosted service that adapts to today’s dynamic communication needs.
By leveraging cloud technology, Horizon streamlines operations and removes the resource demand of local hardware solutions, saving on upfront capital costs.
Integrate Horizon with Microsoft Teams
Easily link Horizon with Microsoft Teams to gain both Horizon’s enterprise phone system capabilities and Teams’ usability.
Integration features:
- Teams becomes a Horizon endpoint across desktop, mobile, and web.
- High-quality, reliable call features on your preferred platform.


Managed support. Only Better.
Customer satisfaction is an important KPI for our business and these statistics show how we performed in July 2026.
Case StudiesCustomer Satisfaction
Incident Resolution SLA
Incident Response SLA
Resolved within 5 days
Industry-Leading Expertise
ARO was among the first to launch Horizon nearly a decade ago. Now, as a Gamma Platinum Partner, our experienced team continues to design, implement, and manage Horizon solutions to support comprehensive voice, data, and mobile strategies. We offer:
- Full suite of Horizon services: Including Horizon with Webex, providing chat, voice, video, call recording, and file sharing.
- Hardware provision and software setup: From IP desk phones to seamless software provisioning.
- Ongoing support and training: Our support team ensures proficiency, technical assistance, and scalability as business needs evolve.


About Our Unified Communications Solutions
Enhanced Security
Our UCaaS services provide robust security measures, including encryption and secure access controls, ensuring data protection and compliance.
Improved Collaboration
Offers a suite of communication tools like video conferencing and instant messaging, streamlining communication and boosting productivity.
Seamless Integration
Easily integrates with existing business applications, enhancing productivity without disrupting current workflows.
All Collaboration Technologies
Our collaboration technology solutions, developed in partnership with industry-leading vendors, are designed to keep your teams connected and productive. From unified communications and advanced contact centre solutions to business mobiles and reliable connectivity, we offer a full suite of tools to support seamless communication. Enhance your workplace with cutting-edge AV and meeting room solutions, enabling collaboration anytime, anywhere, and ensuring your organisation stays connected in an increasingly dynamic business environment.
Explore Collaboration TechnologiesWhy ARO for Collaboration Technologies?
01
Expertise in Collaboration Solutions
ARO has over 25 years of experience deploying and managing collaboration tools for organisations of all sizes, ensuring seamless communication and teamwork.
02
Partnerships with Leading Providers
Benefit from our relationships with top collaboration technology providers, including Microsoft Teams, Gamma, Wildix, and other industry leaders.
03
Customised Collaboration Strategies
We tailor collaboration solutions to your organisation’s unique needs, enabling efficient workflows and enhanced productivity.
04
End-to-End Support
From setup to ongoing maintenance, our dedicated support team ensures your collaboration tools remain reliable and up to date.
05
Secure and Compliant Solutions
ARO’s collaboration technologies adhere to the highest security standards, including ISO certifications, to protect sensitive business communications and data.
06
Future-Ready Collaboration
We help businesses stay ahead with modern tools that integrate seamlessly with other IT systems, providing a scalable and lexible collaboration environment.
Easy to work with, great customer focus and account management. Highly recommended and that says it all, as I normally don't make recommendations! Go team ARO!
Gamma Horizon FAQs
Horizon improves team connectivity whether your employees are in-office, remote, or mobile. It reduces capital expenses associated with local hardware and provides a scalable, easy-to-manage platform for all your communication needs.
Horizon is highly scalable, enabling businesses to adjust their service levels based on demand. You can scale up or down based on needs, making it suitable for both steady-state and cyclical operations, such as testing and development cycles.
ARO offers comprehensive support for Horizon, including service setup, hardware provisioning, ongoing technical assistance, and training. Our team ensures that your business can effectively use and scale the Horizon platform as needed.
Horizon with Webex is a collaborative tool that integrates Cisco Webex’s communication and collaboration platform with Horizon’s virtual desktop infrastructure (VDI). This integration enables users to experience smooth video meetings, messaging, and file sharing within a secure, virtual desktop environment.
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