A complete communications service for your business
Horizon combines handsets from several manufacturers, an easy-to-use web interface, and Gamma’s trademark network resilience to provide a cheaper, more exible phone service. It also helps to improve your organisation’s productivity and image - seamless integration with well-known CRM systems and soft phone features help present highly professional communications with the minimum of effort.
A cost-effective alternative to ISDN that provides flexibility and continuity
SIP trunking is rapidly replacing ISDN services and Gamma is the UK’s leading SIP trunks provider. Our SIP trunks connect your site directly into the Gamma network via an IP connection to carry and terminate your inbound and outbound voice calls across the public telephone network.