ENGLEWOOD, Colo.--(BUSINESS WIRE)--Leading Voice over IP (VoIP) technology provider Vitelity today announced that the organization will be a gold sponsor at the ITEXPO East 2015 conference - January 27-30, at the Miami Beach Convention Center - the leading communications and technology conference bringing together resellers, manufacturers, and enterprises. Key components of Vitelity's gold sponsorship include participation in two thought leadership panels and a primary presence in the exhibitio