A virtual PBX is a internet-based telephony solution that offers businesses a contemporary and flexible alternative to traditional physical phone systems. Through this technology, all telephone calls are centrally managed via the internet instead of conventional phone lines. http://vimaljain.com/__media__/js/netsoltrademark.php?d=www.yoigo.com%2Fempresas%2Fnegocios%2Fservicios-digitales%2Fcentralita-virtual