Cloud PBX is an internet-based phone system that routes and manages business calls. Learn how cloud PBX compares to hosted VoIP and on-premises PBX in 2026.

What is a cloud PBX (private branch exchange)? A cloud PBX (private branch exchange) is a business phone system for connecting employees to a telephone network using a managed service running in the ...

"Can Centrex survive or perhaps even thrive in the era of convergence?" Industry observer Jay Brandstadter thinks it can, but maybe not in the form you've known it: "For those considering IP telephony ...