Introduction
In business, communication is essential. Without the ability to speak with the exact person you need to at any given time, how could business get done? This is one of the reasons why the idea of a PBX system is so popular among businesses around the world—without it, communication is between employees and clients could potentially be hindered.
IDC projected over 9 billion minutes of voice traffic to travel over worldwide packet networks in 2000, exceeding 135 billion minutes in 2004. Service revenue is projected at 1.6 billion in 2000 and 18.7 billion in 2004.