Communications as a service (CaaS) is a hot new market that promises to grow quickly. As the name implies, CaaS is similar in nature to software as a service (SaaS), which is an increasingly popular method for technology organizations to acquire software resources. In CaaS, communications technology is located in a data center of a communications service provider, and is owned and managed by the service provider as a multi-tenant infrastructure. The service provider offers this technology to ...