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.

A private branch exchange (PBX) is a telephone system within an enterprise that switches calls between users on local lines, while enabling all users to share a certain number of external phone lines.

A SIP trunk is the digital version of an analog phone line. Learn how you can upgrade to a unified digital phone system for ...

VOIP Phone (IP Phone) in data center room. A PBX (private branch exchange) system allows an organization to manage incoming and outgoing phone calls, as well as internal communication. A PBX is made ...

PBX (Private Branch Exchange) allows you to use the same system to manage outgoing and incoming calls, plus internal communication. Learn how to leverage PBX to stay competitive. PBX phone systems use ...

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 ...