It is the main device that captures and controls all the signals created by the entire system. It also supports multimedia: real-time audio, video and data information.
Introduction
When shopping for the perfect PBX system, you are most likely considering IP PBX over bulky and expensive antique methods. However, the pricing schemes are both confusing and concerning, as you are unsure what you are looking at when trying to price different services out. Luckily enough, the biggest business telephone systems vendors use plans to determine prices, and these plans can be easily compared to competitors.