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 ...

Businesses with multiple phone lines often opt for a private branch exchange (PBX) system, which is a private telephone network. A PBX phone system provides an auto attendant, extensions ...

A VoIP-based PBX system that is hosted by a service provider over the Internet. All phone features such as ... See IP PBX and VoIP. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...

A deskphone or portable phone that is designed to connect to an in-house telephone system. See PBX and key system. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.