The Rainbow app is a cloud-based UC service (UCaaS) that makes additional collaboration services available to users, regardless of their existing communications systems. As an overlay solution, Rainbow brings rich feature capabilities, like contact management, presence, chat, audio/video call, screen and file sharing. And it's simple to deploy: users can download and install it in a single click at openrainbow.com.
Rainbow takes a hybrid cloud approach, integrating with Alcatel-Lucent OXO Connect and OmniPCX Enterprise, as well as non-ALE PBXs. Rainbow is also an open platform as a service (CPaaS) with a set of APIs allowing you to integrate Rainbow's powerful collaboration tools into your existing in-house applications and business processes.
Rainbow Essential (free of charge): Business collaboration services for users and workgroups. Get it for free at openrainbow.com.