A cloud-based phone system is a cloud-based telephony system that provides businesses a modern and flexible alternative to conventional physical phone systems. Through this technology, all telephone communications are handled centrally using the internet rather than conventional phone lines. http://2scale.co.uk/__media__/js/netsoltrademark.php?d=www.movistar.es%2Fempresas%2Fsoluciones-medida%2Fcentrex-ip%2F