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Gamma Horizon
What Gamma Horizon is
Gamma Horizon is a cloud-based business phone and communications system with customizable calling for organizations. It supports multiple business numbers and custom call routing, along with call queuing, call recording and a receptionist console for handling calls across multiple sites. Users can access fixed and mobile capabilities through a portal and apps for Android, iOS and web, including when working remotely. Existing IP-enabled phones can be integrated, and number porting is available. Gamma says Horizon is compatible with over 200 CRM packages, including Bullhorn, Salesforce, Zoho, Microsoft Dynamics and Zendesk. Horizon with Webex combines voice, video meetings, messaging and file sharing, with features Gamma describes as real-time transcription and intelligent call routing. A separate Horizon with Akixi analytics service offers more than 400 sets of historic and real-time statistics and scales from two to 10,000 users. Gamma describes a multi-data-centre operation with call switching between centres and backup routing during site connectivity disruptions; the product page states a 99.95% SLA for Horizon. Gamma advertises UK-based support teams with 24/7 first-line support. Pricing is on request, and there is no free plan.
Who it suits
Horizon suits businesses and public sector organisations seeking a cloud phone system for office, home and mobile working. It may also suit teams that need call management across multiple sites, CRM compatibility, or optional collaboration and analytics services.
What it does well
- Apps and portal provide access on Android, iOS and web.
- Call routing, queuing, recording and receptionist console are included.
- Compatible with over 200 CRM packages.
- Existing IP-enabled phones can be integrated.
- UK-based teams offer 24/7 first-line support.
What to know first
- Pricing is available on request.
- There is no free plan.
Limits
There is no free plan, and pricing is on request. The product page states a 99.95% SLA for Horizon.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Horizon Cloud Phone System | Pricing not published; contact sales | On request |
As gammagroup.co lists them, read 9 Oct 2026. The maker's own page has the final word.
Getting started
- Visit the Gamma Horizon product page.
- Contact sales to request pricing.
- Choose access through the portal or Android, iOS or web apps.
- Arrange number porting if needed, or integrate existing IP-enabled phones.
- Configure call routing and call handling for your organisation.
Verdict
Choose Gamma Horizon if your organisation needs configurable business calling across locations, mobile work and multiple numbers, with CRM compatibility and 24/7 first-line support. Look elsewhere if you need published pricing or a free plan before contacting sales.
Questions
How much does Gamma Horizon cost?
Pricing is on request; the plan price is not published.
Is there a free plan?
No. Gamma Horizon is a paid product and has no free plan.
Which platforms are supported?
Horizon is available through apps for Android and iOS, as well as on the web.
Can Horizon connect to CRM systems?
Gamma says Horizon is compatible with over 200 CRM packages, including Bullhorn, Salesforce, Zoho, Microsoft Dynamics and Zendesk.
Does Horizon support number porting?
Yes, number porting is available.
Who makes Gamma Horizon?
The maker is Gamma Horizon. Gamma is headquartered in Newbury, Berkshire, UK, and was founded in 2001.
Facts from Gamma Horizon's own pages
- Accessibility
- Listed accessibility features include visual call alerts, adjustable volume, hearing-aid-compatible handsets, TTY support, tactile keys, and auto-answer. · gammagroup.co, 9 Oct 2026
- Analytics
- The Horizon with Akixi analytics service offers more than 400 sets of historic and real-time statistics and scales from two to 10,000 users. · gammagroup.co, 9 Oct 2026
- Audience
- Gamma says Horizon is used by businesses of all sizes and is trusted by over 60,000 UK companies. · gammagroup.co, 9 Oct 2026
- Business numbers
- multiple · gammagroup.co, 22 Sept 2026
- Call handling
- Features include call routing, call queuing, call recording, and a receptionist console for managing calls and multiple sites. · gammagroup.co, 9 Oct 2026
- Call routing
- custom · gammagroup.co, 22 Sept 2026
- Collaboration
- Horizon with Webex combines voice, video meetings, messaging, and file sharing, and Gamma describes AI features including real-time transcription and intelligent call routing. · gammagroup.co, 9 Oct 2026
- Company
- Gamma Communications says it sells exclusively to businesses and public sector organisations, with core markets in the UK and Germany and additional presence in Spain and Benelux. · gammagroup.co, 9 Oct 2026
- CRM integrations
- Gamma says Horizon is compatible with over 200 CRM packages and names Bullhorn, Salesforce, Zoho, Microsoft Dynamics, and Zendesk among its integrations. · gammagroup.co, 9 Oct 2026
- Desktop and mobile apps
- Yes · gammagroup.co, 22 Sept 2026
- Existing phones
- Gamma says existing IP-enabled phones can be integrated with Horizon. · gammagroup.co, 9 Oct 2026
- Founded
- Gamma's history page says its story began in December 2001 with the creation of Gamma Telecom. · gammagroup.co, 9 Oct 2026
- Headquarters
- Newbury, Berkshire, United Kingdom · gammagroup.co, 28 Sept 2026
- Hybrid work
- Users can access fixed and mobile capabilities through a portal and app while working at home or on the move. · gammagroup.co, 9 Oct 2026
- Product
- Horizon is a cloud-based, customizable business phone and communications system. · gammagroup.co, 9 Oct 2026
- Reliability
- Gamma describes Horizon as operating across multiple data centres with call switching between centres and backup call routing during site connectivity disruptions. · gammagroup.co, 9 Oct 2026
- Security
- Gamma says Horizon uses its next-generation IP network, built-in security for users including remote workers, and managed next-generation firewalls. · gammagroup.co, 9 Oct 2026
- Support
- Gamma advertises UK-based support teams offering 24/7 first-line support for Horizon; its support page lists a 24/7 support desk. · gammagroup.co, 9 Oct 2026
- Uptime
- The product page states an SLA of 99.95% for Horizon and separately says Gamma's own network has 99.999% uptime. · gammagroup.co, 9 Oct 2026
Where Gamma Horizon stands on Freedom251
- Business Phone Systems#136 of 167