Lifesize launches scalable, low priced HD videoconferencing bridge Oct 21, 2010 eChannel Line | Mark Cox The new cloud-based HD video conferencing platform is expected to offer immersive, multiparty communication at enterprise-level quality. Offering seamless, encrypted HD video calling across the enterprise, Lifesize Connections connects Lifesize video conferencing systems in conference rooms to desktop users on PCs or Mac computers.