An in-house digital telephone system that connects to a number of dedicated system phones. The major difference between a traditional key system and a PBX is that each key system telephone has ...

A cellular or desktop phone that converts human speech ... whereas the desktop phones that connect to an in-house PBX or key system convert speech to a digital signal (see sampling).

The Voys Cloud PBX offers the freedom to work from anywhere - smart features, no hardware and real human support.