(Unified Communications As A Service) Also called "hosted UC," UCaas provides a set of cloud-based services to an organization, including voicemail, chat, calling and presence. See unified communications and XaaS.
"UCaaS." YourDictionary, n.d. Web. 09 June 2018. <http://www.yourdictionary.com/ucaas>.
UCaaS. (n.d.). Retrieved June 09th, 2018, from http://www.yourdictionary.com/ucaas