Seamlessly communicate and collaborate through voice, chat, meetings, and file sharing on any device - phone, laptop, or desktop PC. Guests and participants can join meetings and participate, including through chat and screen sharing. Lumen® Cloud Communications provides a simple migration from premise based systems to a fully managed, cloud enabled calling and collaboration platform. Our reliable, scalable and secure solution provides connectivity over desktop and mobile environments to help keep employees and customers connected. An authenticated login is required when using voice or messaging features provided by a Lumen administrator.