Horizon VoIP - The Complete Phone System from only £4.99/month/user*
Get your business connected with Horizon, the complete plug-and-play phone system that includes handsets, calls and connectivity in one simple package. Enjoy advanced features, reliable call quality and flexible working, all with minimal setup. *Plus, for a limited time, get 50% off line rental for your first 3 months. Contact us today and start saving.
- FREE and fast Connection
- Inclusive Call Options to UK Landlines, Mobiles and International
- High-definition VoIP Handsets
- FREE Desktop Softphones and Mobile Application
- FREE SIP trunks
Gamma Horizon Phone Systems
Get Horizon VoIP starting from just £9.99 per per month per user, with flexible packages, advanced features and expert UK support. Request your free quote today
Gamma Horizon delivers a complete cloud-based business phone system that helps organisations stay connected, improve customer communication, and support flexible working from anywhere. With powerful call handling, mobile and desktop apps, and simple online management, Horizon gives your business the tools it needs to communicate professionally and efficiently.
- Scalable: Add or remove users as your business grows without significant cost.
- Cost: By using VoIP, it reduces the need for traditional phone lines and hardware.
- Mobility: With mobile apps and softphones, stay connected from anywhere.
- Management: The system provides an easy-to-use web-based portal.
- Business Continuity: Horizon offers disaster recovery and business continuity capabilities.
- High-Quality Calls: Consistent and clear communication.
Modern businesses need more than a traditional phone system. They need a flexible, reliable communication platform that keeps teams connected, supports hybrid working, and delivers a professional customer experience from anywhere.
Gamma Horizon is a cloud-based business phone system designed specifically for UK organisations that want to modernise communications without the cost and complexity of outdated on-site hardware.

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A Cloud Phone System Designed for Modern Business
Transform the way your business communicates. Contact us today for a free consultation and discover how Horizon can help reduce costs, improve productivity, and keep your teams connected from anywhere.
Traditional phone systems can be costly, inflexible and unsuitable for modern hybrid working. Horizon is a fully cloud-hosted phone system that works over your internet connection, enabling your team to stay connected from the office, home or on the move. With advanced call handling, simple online management and enterprise-grade features, Horizon provides a flexible, scalable communication solution for SMEs, multi-site organisations and growing businesses across the UK.
Key Benefits
- Fully cloud-hosted phone system with no onsite hardware
- Make and receive calls from anywhere on any device
- Transfer calls easily between users, departments and locations
- Improve customer service with advanced call routing and call recording
- Add users quickly as your business grows
Powerful Online Management System
Easy-to-Use Online Portal
Stay in complete control of your business communications with Horizon's intuitive online portal. Access call reports, call history, voicemails and recorded calls from a single dashboard. Personalise call handling settings in just a few clicks, giving you the flexibility to manage communications efficiently and ensure every call is routed exactly where it needs to go.
Administrator Interface
Quickly configure users, update settings and manage call flows through a simple web-based interface. Whether you prefer centralised administration or user-level control, Horizon adapts to the way your business operates.
Intelligent Call Routing
Deliver a professional first impression with Horizon's advanced Auto Attendant. Automatically direct callers to the right department, team or individual without the need for a receptionist. You can also create customised announcements to share important information such as opening hours, holiday closures or website details, ensuring callers always receive the information they need.
Secure Call Recording for Compliance & Training
Improve customer service, support staff development and meet compliance requirements with Horizon's powerful call recording features. Choose to record all calls, selected calls or activate recording on demand. Every recording is securely stored online with detailed call information, providing quick and easy access whenever you need it.


Ready to Transform Your Business Communications?
Join 18,500+ UK businesses using Telecoms World for reliable, cost-effective communications.
Get Horizon up and running in under a week with FREE connection, FREE handsets, and inclusive UK calling from just £4.50/user/month. Our UK-based team handles everything - number porting, system setup, user training, and ongoing support.
- No upfront costs - Zero capital expenditure required
- Live in 5 days - Fast deployment with expert support
- Cancel anytime - Flexible terms, no lock-in penalties
- 24/7 UK support - Rated 4.8/5 on Trustpilot
Speak with our phone system specialists today and discover why businesses choose Telecoms World for their critical communications.
Take advantage of the features of our hosted Horizon Phone System
Horizon VoIP keeps your business connected, productive and professional wherever your team works. Make and receive calls on desk phones, mobiles and laptops, manage calls with advanced routing, hunt groups and voicemail, and stay in control with call recording and reporting. With flexible cloud-based technology, seamless remote working and easy scalability, Horizon VoIP helps you deliver exceptional customer service, never miss an opportunity and grow your business with confidence.
Keep your monthly telecom costs predictable with inclusive UK call bundles that reduce unexpected charges and help you budget with confidence. Your team can make and receive calls throughout the day without worrying about escalating call costs.
Stay connected with customers, suppliers and colleagues around the world through inclusive international call options. Ideal for businesses with global relationships, helping you communicate more while keeping overseas call costs under control.
Future-proof your communications with reliable SIP trunk connectivity delivered over your internet connection. Enjoy crystal-clear call quality, improved flexibility and a scalable solution that grows alongside your business.
Take advantage of free professional headsets on selected longer-term contracts. Give your employees the tools they need to communicate clearly and comfortably whether they're in the office, working remotely or on the move.
Select the headset that best suits your working environment. From desk-based users requiring all-day comfort to mobile professionals needing wireless flexibility, there's an option to match every role.
Simplify your telecom spend with straightforward monthly pricing and inclusive features. No surprises, no hidden charges – just clear, transparent billing that makes managing communications easier.
Whether you're adding new users, opening additional offices or supporting a growing remote workforce, Horizon scales effortlessly with your organisation, ensuring your phone system never holds your business back.
Transform the way your business communicates. Get your free Horizon quote now
Choosing the right business phone system is about more than just making and receiving calls.
FAQs
VoIP (Voice Over Internet Protocol) hosted phone system with cloud access. Manage calls across desk phones, desktop softphones, and mobile applications from anywhere.
Your phone system lives in the cloud - use it on any device with an internet connection. Perfect for business continuity and disaster recovery without extra cost.
Lower costs, geographical independence, professional call handling, and seamless integration with CRM systems. Synchronise offices, mobiles, and home workers on one platform.
Most businesses are live within 5-7 working days. We handle number porting, system configuration, handset delivery, and user training - you're making calls within a week.
Horizon plans typically run on 36-month terms with FREE connection and handsets. Flexible monthly plans available. No hidden costs or surprise charges.
The key benefits of Telecoms World as your communications provider
We provide fuss-free and cost-effective voice and data services to support businesses in the UK
UK Based Provider
All our services are managed from our UK headquarters with dedicated account managers and support teams available during business hours.
Increased Security
Enterprise-grade security measures protect your communications with advanced encryption and fraud detection systems.
Monitored Service
24/7 network monitoring ensures maximum uptime and immediate response to any service issues affecting your business.
Rated Excellent++
Our customers rate us excellent on Trustpilot with 4.8 stars based on consistent service quality and customer support.
Dedicated Support
Your own dedicated account manager provides personalized support and strategic guidance for your telecommunications needs.
Telecoms World's Platinum Partners



