All the support you could need for your Gamma Services

Gamma Platinum Solutions Partner

Gamma is a leading provider of Unified Communications as a Service (UCaaS) into the UK with a comprehensive portfolio of communications services and cloud-based services such as SIP Trunking and Hosted PBX.  As a Gamma Platinum Solutions Partner we are uniquely positioned to design, deliver and support any Gamma Horizon service and/or SIP Trunking requirements that you may have.

Our experienced solution designers, engineers, project managers and account managers will  work together with you – first to understand your requirements and match the right Gamma solution to your business needs, then to seamlessly manage the entire deployment process so you can enjoy the benefits.

The service we provide is backed up by our accreditation with the Institute of Customer Services and our ServiceMark accreditation.  We also consistently exceed all net promoter scores on both service and support and if you should ever experience a problem with support, our escalation process is published on our website with names and contact numbers of who you can talk to, right up to our CEO.

Whatever Gamma service you are looking for we guarantee to have the right solution for you within our Together technology portfolio.

Explore our Gamma services below and working together, let Opus help take you on your technology journey.


A complete unified communications experience for your business

Gamma’s cloud-based Horizon Collaborate offers instant messaging, presence, voice, video, desktop and application sharing that is compatible with any device and allows employees to access business communications and collaborations from any device in any location.

Gamma Horizon Collaborate
Gamma Horizon Contact Centre


Simplify your customer engagement when it matters most

Gamma Horizon Contact Centre is an integrated business communication and customer contact solution for small to medium size businesses, that want to simplify multi-channel customer interaction and make it easier for customers to engage with them.


Future proof your communications

Gamma SIP trunks offer multiple flexible call lines, unlimited direct dial ranges and caller display and provide you with the ability to converge your voice calls and data onto a single data connection enabling cloud and site based resilience.

Gamma SIP Trunks
Gamma SIP Trunk Call Manager


Take control of managing your inbound numbers

Gamma SIP Trunk Call Manager offers powerful business continuity as standard, giving you the ability to manage your entire number estate and all aspects of your inbound calls.


Carrier grade communications powered by Gamma SIP trunks for Microsoft Teams

Using our Gamma Direct Routing Business Telephony service you can now add enterprise grade telephony to your Teams collaboration suite to make and receive calls on the same platform – Microsoft Teams Business Voice Plus.

microsoft teams business voice plus
Mitel Telephone Systems


A complete business communication service

The Horizon Hosted service is a complete hosted telephony solution for your business that provides an extensive range of fixed and mobile telephony capabilities via an easy-to-use web portal.

Need help choosing the right Gamma technologies for your business?

Book a discovery session with our solution design team.

Book a free consultation