In this article by no jitter, the author states that the "UC industry is ready for a new platform that changes everything."  But is it already here?  3CX, a software-only PBX, might solve the mystery of what's coming next.  With unlimited extensions, no per-user costs, and the ability to place the software on a server in your office, in the cloud, or in a company's existing virtual environment, 3CX fits the bill for a new type of PBX that brings flexibility and cost savings back to the customer.