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Onecom & Gamma

Gamma - Solution rather than price

Bring your company and your customers closer together with Onecom & Gamma

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Why Onecom and Gamma


Onecom and Gamma offer a complete end-to-end solution, where you have connectivity access fully hosted UC solution and call analytics, from one single provider (CTI & CRM integrated). Learn more about how your voice, connectivity and mobile products can help you achieve your communication goals.

As one of Gamma’s largest Platinum Partners, Onecom have delivered substantial growth of 63% in SIP and hosted telephony. SIP credentials include 5,300+ connections, Horizon licences circa 6,000+ seats, and 5 Million+ Total Minutes (per month).


bespoke solutions

Bespoke solutions

Solution design and consultancy, with fully hosted telephony


Support and management

End-to-end management, including project management and number porting.


Tech provided

Headsets and conference units supplied. With access to Tier 1 UK Network.


No Capex

Pay monthly for a service that suits your needs.

Why Gamma?

Gamma can be combined with SIP for complete voice and DR solutions. Reliability is key, with its own network and built-in business continuity. A dedicated App to manage call plans – anywhere, anytime, means you really can be in complete control. Plus, with an Award-winning UK nationwide next-generation IP network, you will be in safe hands.

  • 1 Billion IP minutes per month
  • 500K+ Horizon seats
  • ISO Accredited 9001/22301/27001
  • Consistently ‘Network of the Year’
  • 900K+ SIP Channels deployed


Horizon Hosted Business Phone System

Horizon Hosted Telephony

Horizon is a complete communications service that provides an extensive range of fixed and mobile telephony capabilities via an easy-to-use web portal. By taking the burden away from your IT team, we’ll help you to manage and configure the system according to your organisation’s needs.

It also helps to improve your organisation’s productivity and image – seamless integration with well-known CRM systems and softphone features help present highly professional communications with the minimum of effort.

Call now on 0330 135 9535 to find out more.