Akimbo Systems, the first Internet video-on-demand service for television, today announced that it has closed a Series C investment round of $15.5 million. New investors Cisco Systems Inc., the worldwide leader in networking for the Internet, AT&T Inc., one of the world’s largest telecommunications holding companies, and venture capital firm, Blueprint Ventures, join existing Akimbo investors Draper Fisher Jurvetson, Kleiner Perkins Caufield & Byers, Sprout Group and Zone Ventures.