Thousands of businesses trust Gamma for their critical voice services - we are one of the largest network carriers of fixed-line voice minutes in the UK. Having direct access to our own network means we can also react faster to your needs. As well as providing basic voice services, we're also the UK's market leader in SIP trunking services.
We’re the UK's leading SIP trunking provider, connecting businesses directly into the Gamma network using an IP backbone, enabling full PSTN connectivity. Gamma SIP Trunks offer real benefits to any size of business and we can provide a solution tailored to meet the requirements of each customer.
Horizon is a complete business communications service that provides an extensive range of fixed and mobile telephony capabilities via an easy-to-use web portal.
SIP Trunk Call Manager is a brand new solution to the market and encompasses all of the benefits of Gamma SIP Trunks combined with a unique web-based portal and App service that enables you to take full control of all your inbound numbers, wherever you are, whenever you want.
The single most important aspect of any business communications service is the ability to receive all your customer calls. Our Inbound service provides simple routing of calls to alternative numbers and voicemail, through to professional auto-attendants and call queuing systems. Everything is connected over the Gamma network, allowing real-time viewing of calls as well as adds and changes when you need them.
Switch your fixed line rental and calls to Gamma and enjoy a better service with lower prices. You can keep your existing phone numbers and we’ll manage the whole process for you. We can also offer temporary lines quickly and easily for events or unforeseen circumstances.
Still using a PBX in your organisation? Hosted telephony, such as Horizon, offers your business a full range of voice and communications services, all hosted and supported in our reliable and secure network.
Our family of high speed data services connects your business directly to Gamma’s next generation national network and to the internet. We can meet all your growing bandwidth needs while letting you take full advantage of everything cloud-based services have to offer.
Gamma's Broadband services include Fibre Broadband using Fibre to the Cabinet (FTTC), Converged Broadband and Assured Broadband dedicated to our voice services.
If your business needs premium, high-speed connectivity with high availability and capacity, our Ethernet services can deliver up to 1Gbps dedicated bandwidth. It’s not only fast, it’s flexible, as bandwidth can be quickly upgraded when needed.